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: Tim had 50 cents . He paid 45 cents for a candy bar . How much change will he get ?

SOLUTION: 5

PROBLEM: For the school bake sale Carol made 30 cupcakes . If she sold 9 of them and then made 28 more , how many cupcakes would she have ?

SOLUTION: 49

PROBLEM: Mary had 8 potatoes in the garden . The rabbits ate 3 of the potatoes . How many potatoes does Mary now have ?

SOLUTION:
5