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

Example Input: Problem: at a restaurant , glasses are stored in two different - sized boxes . one box contains 12 glasses , and the other contains 16 glasses . if the average number of glasses per box is 15 , and there are 16 more of the larger boxes , what is the total number of glasses at the restaurant ? ( assume that all boxes are filled to capacity . )
Example Output: 48

Example Input: Problem: find the area of a parallelogram with base 10 cm and height 20 cm .
Example Output: 200

Example Input: Problem: a train 220 meters long is running with a speed of 60 kmph . in what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going ?
Example Output:
12