Task: Formula-prediction-context (source dataset: ti-random)

You are given an table region extracted from a real Excel spreadsheet, which is centered around a cell called "Target Cell" (labeled as "[Target Cell]" shown in the table below). The table region below includes up to 10 rows above/below the Target Cell, and 10 columns to the left/right of the Target Cell. 

Your task is to analyze the table context surrounding the Target Cell, and predict the most likely Excel formula that should go in the Target Cell. If multiple formulas are possible, choose the most reasonable or commonly used based on context.

1. Please follow the standard formula syntax in Excel, e.g. always begins with an equal sign (=).
2. Base your predicted formula on the surrounding table context, e.g., column headers, annotations, and data values in nearby cells.
3. No explanation — just output the formula itself in a JSON format: {"formula": "your_formula_here"}.

Input Excel Snippet in Markdown format:
|    | A   | B              | C           | D               | E   | F                   | G                                                                                                                                                                                | H                     | I          | J         | K   | L                  | M         | N         | O   | P        | Q     |
|---:|:----|:---------------|:------------|:----------------|:----|:--------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:----------------------|:-----------|:----------|:----|:-------------------|:----------|:----------|:----|:---------|:------|
|  1 |     |                |             |                 |     |                     |                                                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
|  2 |     |                |             |                 |     | Table B             |                                                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
|  3 |     | Table A        |             |                 |     | 1-15 Integer        |                                                                                                                                                                                  | 300MHz < VCO < 600MHz |            | 0-7       |     | 8 to 80 MHz, F1<F2 |           | 1-3       | 1-3 | Float    | Float |
|  4 |     | Max Dist       | 5.0         | meter           |     | MA                  | MB                                                                                                                                                                               | VCO1                  | VCO2       | PS1       | PS2 | F1                 | F2        | N1        | N2  | M1       | M2    |
|  5 |     | VCO_min        | 300000000.0 | Fixed           |     | 1                   | 1                                                                                                                                                                                | 1440000000            | 1440000000 | 7         | 7   | 30000000           | 30000000  | 2         | 2   | 60       | 60    |
|  6 |     | VCO_max        | 600000000.0 | Fixed           |     | 1                   | 2                                                                                                                                                                                | 1440000000            | 2880000000 | 7         | 7   | 30000000           | 60000000  | 2         | 2   | 60       | 120   |
|  7 |     | KA             | 3.0         | 1-15 (Register) |     | 2                   | [Target Cell]                                                                                                                                                                    | 720000000             | 1800000000 | 1         | 1   | 60000000           | 150000000 | 2         | 2   | 30       | 75    |
|  8 |     | KB             | 1.0         | 1-15 (Register) |     | 3                   | 8                                                                                                                                                                                | 1080000000            | 2880000000 | 1         | 1   | 90000000           | 240000000 | 2         | 2   | 45       | 120   |
|  9 |     | Feff           | 30000000.0  | Hz              |     | 4                   | 11                                                                                                                                                                               | 720000000             | 1980000000 | 0         | 0   | 120000000          | 330000000 | 2         | 2   | 30       | 82.5  |
| 10 |     | Speed of Light | 300000000.0 | Constant        |     | 5                   | 14                                                                                                                                                                               | 900000000             | 2520000000 | 0         | 0   | 150000000          | 420000000 | 2         | 2   | 37.5     | 105   |
| 11 |     |                |             |                 |     | 6                   | 17                                                                                                                                                                               | 1080000000            | 3060000000 | 0         | 0   | 180000000          | 510000000 | 2         | 2   | 45       | 127.5 |
| 12 |     |                |             |                 |     | 7                   | 20                                                                                                                                                                               | 1260000000            | 3600000000 | 0         | 0   | 210000000          | 600000000 | 2         | 2   | 52.5     | 150   |
| 13 |     |                |             |                 |     | 8                   | 23                                                                                                                                                                               | 1440000000            | 4140000000 | 0         | 0   | 240000000          | 690000000 | 2         | 2   | 60       | 172.5 |
| 14 |     |                |             |                 |     | Registers (ma < mb) |                                                                                                                                                                                  | MHz                   |            | Registers |     | Hz                 |           | Registers |     | Not used |       |
| 15 |     | Table C        |             |                 |     |                     |                                                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
| 16 |     | Distance       | 1.052       |                 |     |                     |                                                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
| 17 |     | ma             | 1.0         |                 |     |                     | Instruction:                                                                                                                                                                     |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | 1. Enter Max Dist in Table A.  In general you don't need to mess with Ka and Kb, just leave them as KA=2, KB=1.                                                                  |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | 2. Select an entry with valid range (see top row and bottom row of Table B).  In general you do not need to mess with N1 and N2, as N1=N2=2 is mid value of a very narrow range. |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | 3. Follow instructions on Section 7.3.7.2.1 of OPT9221 data sheet on setting up dealiasing.                                                                                      |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     |                                                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | To check expected output value:                                                                                                                                                  |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | 5. To test the outputed value, take note of the 'dealiased_ph_mask' register value, and enter it in Table C, and enter MA and MB used from selected entry from Table B.          |                       |            |           |     |                    |           |           |     |          |       |
|    |     |                |             |                 |     |                     | 6. Enter distance measured and 'Phase Output' should print the expected phase out.                                                                                               |                       |            |           |     |                    |           |           |     |          |       |



min_row: 1
max_row: 17
min_col: 1
max_col: 17
target_cell_row_idx: 7
target_cell_col_idx: 7
target_cell_value: 5
formula: =($C$7*F7-1)/$C$8