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:
Luke made 9 dollars mowing lawns and 18 dollars weed eating . If he only spent 3 dollar a week , how long would the money last him ?
answer:
9


question:
Mary had 7 nickels in her bank . Her dad gave her 5 more nickels . How many nickels does Mary have now ?
answer:
12


question:
Katie uploaded 30 pictures from her phone and 51 from her camera to facebook . If she sorted the pics into 9 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?
answer:

9