instruction:
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.
question:
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 ?
answer:
6

question:
Dana earns $ 13 per hour . She worked 9 hours on Friday , 10 hours on Saturday , and 3 hours on Sunday . How much money did Dana earn in all ?
answer:
286

question:
Jeffrey wants to split a collection of bottle caps into groups of 2 . Jeffrey has 12 bottle caps . How many groups will be created ?
answer:
6