You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
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Question: Nancy has 9 five dollars bills . How much money does she have ?

Answer: 45


Question: Carol and her mom were picking carrots from their garden . Carol picked 29 and her mother picked 16 . If only 38 of the carrots were good , how many bad carrots did they have ?

Answer: 7


Question: Vanessa had 16 music files and 48 video files on her flash drive . If she deleted 30 of the files , how many files were still on her flash drive ?

Answer:
34