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

Q: Mary had 21 dimes and 38 pennies in her bank . Her dad borrowed 18 pennies from Mary . How many pennies does she have now ?

A: 20
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Q: A waiter had 33 customers to wait on . If 31 customers left and he got another 26 customers , how many customers would he have ?

A: 28
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Q: There school 's baseball team had 48 new players and 6 returning players . If the coach put them into groups with 6 players in each group , how many groups would there be ?

A:
9
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