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

Ex Input:
Problem: albert invested rs . 8000 in a scheme for 2 years at compound interest rate 5 % p . a . how much amount will albert get on maturity of the fixed deposit ?

Ex Output:
882


Ex Input:
Problem: a certain fraction is equivalent to 3 / 5 . if the numerator of the fraction is increased by 4 and the denominator is doubled , the new fraction is equivalent to 1 / 3 . what is the sum of the numerator and denominator of the original fraction ?

Ex Output:
56


Ex Input:
Problem: which expression is the greatest ?

Ex Output:

3591 / 3596