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:
Rachel bought two coloring books . One had 23 pictures and the other had 32 . After one week she had already colored 44 of the pictures . How many pictures does she still have to color ?
answer:
11

question:
Megan had 49 markers . Robert gave her 39 more markers . How many markers does Megan have altogether ?
answer:
88

question:
Paula 's aunt gave her $ 109 to spend on clothes at the mall . She bought 2 shirts that cost $ 11 each and a pair of pants that cost $ 13 . How much money does Paula have left to buy more clothes ?
answer:
74