The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: 475.124 x 15.98 ÷ 8.001 + 33.33 = ?
[EX A]: 983.578

[EX Q]: Problem: two tains of equal lengths take 10 seconds and 15 seconds respectively to cross a telegraph post . if the length of each train be 120 metres , in what time ( in seconds ) will they cross each other travelling in opposite direction ?
[EX A]: 12

[EX Q]: Problem: the sum of the even numbers between 1 and n is 89 * 90 , where n is an odd number , then n = ?
[EX A]:
179