Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| 1st throw | 2nd throw | 3rd throw | Equation | Result |
| --- | --- | --- | --- | --- |
| 9.0 | 9.0 | 9.0 | 8 × 9² + 8 × 9 + 8 | 728.0 |
| 4.0 | 7.0 | 2.0 | 3 × 9² + 6 × 9 + 1 | 298.0 |
| 2.0 | 4.0 | 1.0 | 1 × 9² + 4 × 9 + 0 | 117.0 |
| 1.0 | 3.0 | 4.0 | 0 × 9² + 3 × 9 + 3 | 30.0 |
| 7.0 | 7.0 | 7.0 | 6 × 9² + 6 × 9 + 6 | 546.0 |
| 1.0 | 1.0 | 1.0 | 0 × 9² + 0 × 9 + 0 | 0.0 |
Question:
If the equation is 1 × 9² + 4 × 9 + 0, what is the 2nd throw?
Answer:
4.0