You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
there are 25 pencils in frances 's pencil collection . if the pencils are organized into 5 groups how big is each group ?

Ex Output:
5

Ex Input:
at lunch a waiter had 10 customers and 5 of them did n't leave a tip . if he got $ 3 each from the 1 who did tip how much money did he earn ?

Ex Output:
15

Ex Input:
there are 124 students making 3 stars each for the school wall . how many stars will they make all together ?

Ex Output:
372