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

Ex Input:
Problem: two cubes have their volumes are in the ratio 1 : 27 . find the ratio of their surface area ?

Ex Output:
1 : 9', 'd ) 2 : 7', 'e ) 3 : 11'


Ex Input:
Problem: the sum of ages of 5 children born 1 years different each is 30 years . what is the age of the elder child ?

Ex Output:
8


Ex Input:
Problem: working together at their respective constant rates , machine a and machine b can produce 1600 units in 8 hours . working alone , machine b would complete that same output in 50 % more time . if machine a were to work on its own for an 8 - hour shift , what percent of the 1600 unit total would it produce ?

Ex Output:

33