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

Example Input: Problem: if the sides of a triangle are 26 cm , 24 cm and 15 cm , what is its area ?
Example Output: 180

Example Input: Problem: sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum . sandy attempts 30 sums and obtains 50 marks . how many sums did sandy get correct ?
Example Output: 22

Example Input: Problem: 108 ã — 108 + 92 ã — 92 = ?
Example Output:
20128