TASK DEFINITION: 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.
PROBLEM: Katie had 11 songs on her mp3 player . If she deleted 7 old songs from it and then added 24 new songs , how many songs does she have on her mp3 player ?

SOLUTION: 28

PROBLEM: 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 ?

SOLUTION: 14

PROBLEM: A dust storm sweeps across the prairie . It covers 64535 acres of the prairie in dust , but leaves 522 acres untouched . How many acres does the prairie cover ?

SOLUTION:
65057