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.

[Q]: At a sale , the cost of a pair of shoes was reduced from 42 dollars to 33.6 dollars . What was the percent of discount ?
[A]: 20


[Q]: A pet store had 56 puppies . In one day they sold 24 of them and put the rest into cages with 4 in each cage . How many cages did they use ?
[A]: 8


[Q]: For the school bake sale Maria made 19 cupcakes . If she sold 5 of them and then made 10 more , how many cupcakes would she have ?
[A]:
24