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

Example Input: Problem: irin , ingrid and nell bake chocolate chip cookies in the ratio of 9.18 : 5.17 : 2.05 . if altogether they baked a batch of 148 cookies , what percent of the cookies did ingrid bake ?
Example Output: 31.7 %

Example Input: Problem: 90 % of the population of a village is 36000 . the total population of the village is ?
Example Output: 4000

Example Input: Problem: the price of an item is discounted 5 percent on day 1 of a sale . on day 2 , the item is discounted another 10 percent , and on day 3 , it is discounted an additional 15 percent . the price of the item on day 3 is what percentage of the sale price on day 1 ?
Example Output:
76.5 %