You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[Q]: Tom went to 4 hockey games this year , but missed 7 . He went to 9 games last year . How many hockey games did Tom go to in all ?
[A]: 13

[Q]: Tom purchased a football game for $ 14.02 , a strategy game for $ 9.46 , and a Batman game for $ 12.04 . How much did Tom spend on video games ?
[A]: 35.52

[Q]: There are 48 pencils and 40 scissors in the drawer . Joan placed 29 pencils in the drawer . How many pencils are now there in all ?
[A]:
77