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]: Jacques earns 8.6 dollars per hour . For each hour over 40 hours he earns 12.9 dollars per hour . If he works 55.5 hours in a week , what pay should he receive ?
[EX A]: 543.95

[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]: Joan has 8 orange balloons but lost 2 of them . How many orange balloons does Joan have now ?
[EX A]:
6