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: James has 232 balloons . Amy has 101 balloons . How many more balloons does James have than Amy ?

Output: 131


Input: Consider Input: 5 boats are in the lake . Each boat has 3 people . How many people are on boats in the lake ?

Output: 15


Input: Consider Input: A truck carrying 4.1 pounds of sand travels to a construction yard and loses 2.4 pounds of sand along the way . How much sand does the truck have when it arrives at the yard ?


Output: 1.7