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: Cade had 87 marbles . He gave 8 to Dylan . How many does he have left ?

Output: 79


Input: Consider Input: I walk 1 mile every 15 minutes . I walked 3 miles . How many minutes did it take me ?

Output: 45


Input: Consider Input: The farmer had 127 apples . He gave 88 apples to his neighbor . How many apples does he have now ?


Output: 39