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: Fred had 7 dimes in his bank . His sister borrowed 3 of his dimes . How many dimes does Fred have now ?

SOLUTION: 4

PROBLEM: While making desserts for a bake sale , Victor used 0.625 scoop of brown sugar as well as 0.25 scoop of white sugar . How much more brown sugar did Victor use ?

SOLUTION: 0.375

PROBLEM: There are 22 oranges in a box . Paula takes 7 oranges . How many are left ?

SOLUTION:
15