TASK DEFINITION: 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.
PROBLEM: 2 beavers were working on their home . 1 went for a swim . How many beavers are still working on their home ?

SOLUTION: 1

PROBLEM: Sara has 10 marbles . She loses 7 . How many marbles will Sara have ?

SOLUTION: 3

PROBLEM: Ruby has 63 apples . Emily takes 55 away . How many apples will Ruby have ?

SOLUTION:
8