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:
| Game | December | Opponent | Score | Record |
| --- | --- | --- | --- | --- |
| 25.0 | 1.0 | @ California Golden Seals | 3 - 3 | 15-7-3 |
| 26.0 | 3.0 | Atlanta Flames | 3 - 2 | 16-7-3 |
| 27.0 | 6.0 | Buffalo Sabres | 3 - 2 | 16-8-3 |
| 28.0 | 9.0 | @ New York Islanders | 4 - 1 | 17-8-3 |
| 29.0 | 10.0 | New York Islanders | 4 - 1 | 18-8-3 |
| 30.0 | 13.0 | @ Toronto Maple Leafs | 4 - 3 | 19-8-3 |
| 31.0 | 14.0 | @ Boston Bruins | 4 - 2 | 19-9-3 |
| 32.0 | 16.0 | @ Minnesota North Stars | 5 - 1 | 19-10-3 |
| 33.0 | 17.0 | Pittsburgh Penguins | 9 - 1 | 20-10-3 |
| 34.0 | 20.0 | @ St. Louis Blues | 5 - 4 | 21-10-3 |
| 35.0 | 21.0 | Atlanta Flames | 5 - 2 | 21-11-3 |
| 36.0 | 24.0 | Detroit Red Wings | 5 - 0 | 22-11-3 |
| 37.0 | 27.0 | Buffalo Sabres | 4 - 1 | 22-12-3 |
| 38.0 | 31.0 | St. Louis Blues | 6 - 1 | 23-12-3 |
Question:
What is the sum of December, when Game is greater than 31, and when Score is "5 - 2"?
Answer:
21.0