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]: April 's discount flowers was having a sale where each flower was 3 dollars . If Robin bought 5 roses and 4 daisies , how much did she spend ?
[EX A]: 27

[EX Q]: Vanessa had 13 music files and 30 video files on her flash drive . If she deleted 10 of the files , how many files were still on her flash drive ?
[EX A]: 33

[EX Q]: Sam had 98 pennies in his bank . He spent 93 of his pennies . How many pennies does he have now ?
[EX A]:
5