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]: My car gets 20 miles per gallon . How many miles can I drive on 5 gallons of gas ?
[A]: 100

[Q]: Sam was collecting cans for recycling . On Saturday he filled 3 bags up and on Sunday he filled 4 more bags . If each bag had 9 cans in it , how many cans did he pick up total ?
[A]: 63

[Q]: Ned bought 14 boxes of chocolate candy and gave 7 to his little brother . If each box has 6 pieces inside it , how many pieces did Ned still have ?
[A]:
42