You are given a math word problem and you are supposed to apply a single mathematical operator 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]: adam has 29 marbles in his collection . mary has 11 fewer marbles than adam . greg has 14 more marbles than adam . how many marbles does greg have ?
[A]: 43

[Q]: marco and his dad went strawberry picking . together their strawberries weighed 23 pounds . marco 's strawberries weighed 14 pounds . how much did his dad 's strawberries weigh ?
[A]: 9

[Q]: they also gathered paper to create some star-shaped papier-mache . if each star requires 20 pieces of paper and they had 680 pieces of paper how many stars were they able to make ?
[A]:
34