You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: At lunch a waiter had 7 customers and 5 of them did n't leave a tip . If he got $ 3 each from the ones who did tip , how much money did he earn ?

Output: 6


Input: Consider Input: Tanner saved $ 17 in September . He saved $ 48 in October and $ 25 in November . Then Tanner spent $ 49 on a video game . How much money does Tanner have left ?

Output: 41


Input: Consider Input: A trivia team had 12 members total , but during a game 4 members did n't show up . If each member that did show up scored 8 points , how many points were scored total ?


Output: 64