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:
| Name | Years | Gender | Area | Authority | Decile | Roll |
| --- | --- | --- | --- | --- | --- | --- |
| East Gore School | 1-6 | Coed | Gore | State | 3.0 | 102.0 |
| Gore High School | 9-15 | Coed | Gore | State | 6.0 | 653.0 |
| Gore Main School | 1-6 | Coed | Gore | State | 6.0 | 209.0 |
| Knapdale School | 1-8 | Coed | Knapdale | State | 7.0 | 37.0 |
| Longford Intermediate | 7-8 | Coed | Gore | State | 5.0 | 250.0 |
| Mataura School | 1-6 | Coed | Mataura | State | 1.0 | 96.0 |
| Otama School | 1-8 | Coed | Otama | State | 9.0 | 29.0 |
| Pukerau School | 1-6 | Coed | Pukerau | State | 8.0 | 45.0 |
| St Mary's School | 1-6 | Coed | Gore | State integrated | 7.0 | 182.0 |
| St Peter's College | 7-15 | Coed | Gore | State integrated | 8.0 | 414.0 |
| Waikaka School | 1-8 | Coed | Waikaka | State | 8.0 | 39.0 |
| West Gore School | 1-6 | Coed | Gore | State | 6.0 | 241.0 |
| Willowbank School | 1-6 | Coed | Maitland | State | 8.0 | 9.0 |
Question:
What is the sum of the roll with an area of Waikaka?
Answer:
39.0