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: Katie was selling her necklaces at a garage sale . She sold 4 bead necklaces and 3 gem stone necklaces . If each necklace cost 3 dollars , how much money did she earn ?

A: 21
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Q: Will bought 7 boxes of chocolate candy and gave 3 to his little brother . If each box has 4 pieces inside it , how many pieces did Will still have ?

A: 16
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Q: Martha is inviting 4 friends to a party . She has 12 cookies . How many cookies will each friend get ?

A:
3
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