TASK DEFINITION: You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
PROBLEM: A teacher had 6 worksheets to grade . If she graded 4 , but then another 18 were turned in , how many worksheets would she have to grade ?

SOLUTION: 20

PROBLEM: There were 13 friends playing a video game online when 8 players quit . If each player left had 6 lives , how many lives did they have total ?

SOLUTION: 30

PROBLEM: The school cafeteria ordered 42 red apples and 7 green apples for students lunches . But , if only 9 students wanted fruit , how many extra did the cafeteria end up with ?

SOLUTION:
40