Remark
At the very least, it looks like it is done correctly. And in checking your numbers, the answer is correct.
Small hints.
1. If your camera changes everything to a red background, you could think of using a very soft pencil. It makes what you post clearer. A black pen would be best.
2. Are you allowed to do this using a calculator?
3. You might want to think about using statements.
Seat Capacity = 125 * 20 = 2500
Fans 2140
Empty Seats (Difference)= 360
