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]: a clown had 16 balloons . he gave 4 away at a party . what 's the difference between the number of balloons the clown had in the beginning and he gave away at a party ?
[A]: 12

[Q]: jake read 37 pages of his new book . it has 8 chapters and 95 pages . jake read 25 more pages later that day . how many pages has he read in all ?
[A]: 62

[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