instruction:
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.
question:
For Halloween Debby and her sister combined the candy they received . Debby had 32 pieces of candy while her sister had 42 . If they ate 35 pieces the first night , how many pieces do they have left ?
answer:
39

question:
Mary picked 122 oranges and Jason picked 105 oranges from the orange tree . How many oranges were picked in total ?
answer:
227

question:
Frank made 5 dollars mowing lawns and 58 dollars weed eating . If he only spent 7 dollar a week , how long would the money last him ?
answer:
9