TASK DEFINITION: You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
PROBLEM: Sally has 9 orange balloons and 4 blue balloons . She lost 2 of the orange balloons . How many orange balloons does Sally have now ?

SOLUTION: 7

PROBLEM: Kate has 223 pennies . John has 388 pennies . How many more pennies does John have ?

SOLUTION: 165

PROBLEM: Warren has 252 guests coming to his party . Each table will hold 4 guests . How many tables will he need ?

SOLUTION:
63