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: Adam bought 2 boxes of chocolate candy and 5 boxes of caramel candy . If each box has 4 pieces inside it , how much candy did he have total ?

SOLUTION: 28

PROBLEM: There school 's baseball team had 31 new players and 4 returning players . If the coach put them into groups with 7 players in each group , how many groups would there be ?

SOLUTION: 5

PROBLEM: Michael has some fish in his fish tank . Ben gave him 18 more fish . Now he has 49 . How many fish did he have to begin with ?

SOLUTION:
31