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

Example Input: Problem: the marks obtained by vijay and amith are in the ratio 8 : 5 and those obtained by amith and abhishek in the ratio of 3 : 2 . the marks obtained by vijay and abhishek are in the ratio of ?
Example Output: 12 : 5

Example Input: Problem: x varies inversely as square of y . given that y = 3 for x = 1 . the value of x for y = 9 will be equal to :
Example Output: 1 / 9

Example Input: Problem: the number 42 can be written as the sum of the squares of 3 different positive integers . what is the sum of these 3 integers ?
Example Output:
10