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.

[EX Q]: Tom had 5 books . If he sold 4 of them and used the money he earned to buy 38 new books , how many books would Tom have ?
[EX A]: 39

[EX Q]: Amy had 26 music files and 36 video files on her flash drive . If she deleted 48 of the files , how many files were still on her flash drive ?
[EX A]: 14

[EX Q]: Sam had 9 dimes in his bank . His dad gave him 7 more dimes . How many dimes does Sam have now ?
[EX A]:
16