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.

Input: Consider Input: It takes 4 apples to make 1 pie . How many apples does it take to make 504 pies ?

Output: 2016


Input: Consider Input: There are 9 bottle caps in each box . How many bottle caps are in 6 boxes ?

Output: 54


Input: Consider Input: There are 6 birds and 3 nests . How many more birds are there than nests ?


Output: 3