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.

[EX Q]: Isha ' s pencil is 12 cubes long . If she gets another pencil that is 12 cubes long , how many cubes long are both pencils ?
[EX A]: 24

[EX Q]: There were 27 boys and 35 girls on the playground at recess . How many children were on the playground at recess ?
[EX A]: 62

[EX Q]: If your gross pay is 450 dollars , while your net pay is 315 dollars , how much do you pay in taxes ? Assume that all tax dollars are not included in net pay .
[EX A]:
135