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

Ex Input:
Michael has 16 blocks stored in boxes . If there are 8 boxes , how many blocks must go in each box ?

Ex Output:
2


Ex Input:
Isabella ’ s hair is 18 inches long . By the end of the year her hair is 24 inches long . How much hair did she grow ?

Ex Output:
6


Ex Input:
Diana starts with 65 bottle caps . 4 are eaten by a hippopotamus . How many bottle caps does Diana end with ?

Ex Output:

61