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: Will bought 7 boxes of chocolate candy and gave 3 to his little brother . If each box has 4 pieces inside it , how many pieces did Will still have ?

SOLUTION: 16

PROBLEM: A restaurant served 5 cakes during lunch and 6 during dinner today . The restaurant served 3 cakes yesterday . How many cakes were served in total ?

SOLUTION: 14

PROBLEM: How much interest , in dollars , will you pay on a 8100 dollars loan for 1 year if the interest rate is 15 % ?

SOLUTION:
1215