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

Example 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 ?
Example Output: 882

Example Input: Problem: the probability is 1 / 2 that a certain coin turns up heads on any given toss . if the coin is tossed 6 times , what is the probability that the coin turns up tails on at least one of the tosses ?
Example Output: 63 / 64

Example Input: Problem: he average of 10 numbers is 23 . if each number is increased by 4 , what will the new average be ?
Example Output:
27