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

Input: Consider 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 ?

Output: 12 : 5


Input: Consider Input: Problem: find the principle on a certain sum of money at 9 % per annum for 2 2 / 5 years if the amount being rs . 1120 ?

Output: 921.0


Input: Consider Input: Problem: how many quarters are equal to 6 dollars ?


Output: 2


