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

Q: At lunch a waiter had 10 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 ?

A: 15
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Q: A waiter had 9 tables he was waiting on , with 4 women and 3 men at each table . How many customers total did the waiter have ?

A: 63
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Q: Sara has saved 11 quarters from washing cars . How many cents does Sara have ?

A:
275
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