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:
| Year | Start | Qual | Rank | Finish | Laps |
| --- | --- | --- | --- | --- | --- |
| 1949 | 28 | 126.139 | 30 | 18 | 142.0 |
| 1950 | 33 | 129.692 | 28 | 18 | 128.0 |
| 1951 | 26 | 132.475 | 24 | 32 | 15.0 |
| 1952 | 33 | 133.939 | 32 | 21 | 182.0 |
| Totals | Totals | Totals | Totals | Totals | 467.0 |
Question:
How many laps were completed with a start of 33, and a finish of 18?
Answer:
128.0