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:
| Date | Total USAAF | Tot Officers | Tot Enlisted | # overseas | Officers o/s | Enlisted o/s |
| --- | --- | --- | --- | --- | --- | --- |
| 31 July 1939 | 24724.0 | 2636.0 | 22088.0 | 3991.0 | 272.0 | 3719.0 |
| 31 December 1939 | 43118.0 | 3006.0 | 40112.0 | 7007.0 | 351.0 | 6656.0 |
| 31 December 1940 | 101227.0 | 6437.0 | 94790.0 | 16070.0 | 612.0 | 15458.0 |
| 31 December 1941 | 354161.0 | 24521.0 | 329640.0 | 25884.0 | 2479.0 | 23405.0 |
| 31 December 1942 | 1597049.0 | 127267.0 | 1469782.0 | 242021.0 | 26792.0 | 215229.0 |
| 31 December 1943 | 2373882.0 | 274347.0 | 2099535.0 | 735666.0 | 81072.0 | 654594.0 |
| 31 March 1944 (Peak size) | 2411294.0 | 306889.0 | 2104405.0 | 906335.0 | 104864.0 | 801471.0 |
| 31 December 1944 | 2359456.0 | 375973.0 | 1983483.0 | 1164136.0 | 153545.0 | 1010591.0 |
| 30 April 1945 (Peak overseas) | 2329534.0 | 388278.0 | 1941256.0 | 1224006.0 | 163886.0 | 1060120.0 |
Question:
How many tot officers were there on the date when the number of tot enlisted was 329640?
Answer:
24521.0