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: Joan 's cat had 8 kittens . She gave 2 to her friends . How many kittens does she have now ?

Output: 6


Input: Consider Input: Joyce starts with 75 apples . She gives 52 to Larry . How many apples does Joyce end with ?

Output: 23


Input: Consider Input: I walked 2 miles in 1 hour for Relay for Life . If I maintained this pace for the 8 hours I walk , how many miles total will I walk ?


Output: 16