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

Example Input: Problem: what is the sum of the odd integers from 55 to 75 , inclusive ?
Example Output: 71

Example Input: Problem: the s . i . on a certain sum of money for 2 years at 8 % per annum is half the c . i . on rs . 4000 for 2 years at 10 % per annum . the sum placed on s . i . is ?
Example Output: 262

Example Input: Problem: if a ^ 2 + b ^ 2 = 15 and ab = 25 , what is the value of the expression ( a - b ) ^ 2 + ( a + b ) ^ 2 ?
Example Output:
5