TASK DEFINITION: Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
PROBLEM: i put another number into my machine . the machine added 15 and then subtracted 6 the number 35 came out of the machine . what number did i put in ?

SOLUTION: 26

PROBLEM: a pet shelter had 23 puppies when another 2 were brought in . if 5 puppies a day are adopted how long would it take for all of them to be adopted ?

SOLUTION: 5

PROBLEM: rachel picked 3 apples from her tree . now the tree has 4 apples still on it . how many apples did the tree have to begin with ?

SOLUTION:
7