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: Zach scored 42 points in the football game . Ben scored 21 points . How many more points did Zach score ?

SOLUTION: 21

PROBLEM: Dina made cookies . She used 0.625 cup of flour and 0.25 cup of sugar . How much more flour than sugar did Dina use ?

SOLUTION: 0.375

PROBLEM: If Rose strolled for 4 hours at 2 miles per hour . How far did Rose go ?

SOLUTION:
8