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:
There were 9 girls and 14 boys trying out for the schools basketball team . If only 2 of them got called back , how many students did n't make the cut ?
answer:
21

question:
There are 69 erasers in a box . Jane has 15 erasers in a bag . Doris takes 54 erasers out of the box . How many erasers are left in the box ?
answer:
15

question:
Tim found 679 seashells and 110 starfish on the beach . He gave 172 of the seashells to Sara . How many seashells does Tim now have ?
answer:
507