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.

[EX Q]: Joan spent $ 15 on shorts and $ 14.82 on a jacket , and $ 12.51 on a shirt . She went to 3 shops . In total , how much money did Joan spend on clothing ?
[EX A]: 42.33

[EX Q]: At lunch a waiter had 9 customers and 5 of them did n't leave a tip . If he got $ 8 each from the ones who did tip , how much money did he earn ?
[EX A]: 32

[EX Q]: There were 2 friends playing a video game online when 2 more players joined the game . If each player had 6 lives , how many lives did they have total ?
[EX A]:
24