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 man rows his boat 110 km downstream and 90 km upstream , taking 3 hours each time . find the speed of the stream ?

Ex Output:
3.5


Ex Input:
Problem: what is the hcf of 2 / 3 , 4 / 10 and 6 / 5

Ex Output:

1 / 15