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

Example Input: Problem: if shares of two persons in profits are rs . 600 and rs . 1000 then ratio of their capitals is
Example Output: 3 : 5

Example Input: Problem: how many liters of a 40 % iodine solution need to be mixed with 35 liters of a 20 % iodine solution to create a 34 % iodine solution ?
Example Output: 13

Example Input: Problem: there are 200 female managers in a certain company . find the total number w of female employees in the company , if 2 / 5 of all the employees are managers and 2 / 5 of all male employees are managers .
Example Output:
w = 500