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: You have 7 balloons and your friend has 5 balloons . How many more balloons do you have than your friend ?

Output: 2


Input: Consider Input: Ruby has 63 apples . Emily takes 55 away . How many apples will Ruby have ?

Output: 8


Input: Consider Input: Joan purchased a basketball game for $ 5.2 , and a racing game for $ 4.23 . How much did Joan spend on video games ?


Output: 9.43