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: A restaurant served 9 pizzas during lunch and 6 during dinner today . How many pizzas were served today ?

Output: 15


Input: Consider Input: Bryan has 50 skittles . Ben has 20 M & M ’ s . Who has more ? How many more does he have ?


Output: 30