You are given a math word problem and you are supposed to apply a single mathematical operator 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.

[Q]: she also estimated the number of candies that she will receive from each block . if she will receive around 7 pieces of candies from every house and there are 5 houses in a block how many candies will she receive from each block ?
[A]: 35

[Q]: after collecting materials they started making recycled products to sell during the school 's recycling fair . if marcus made 26 pen holders from the milk bottles and annie was able to make 37 how many pen holders were made ?
[A]: 63

[Q]: for the final touches john wanted to paint the house using the 3 primary colors . if he has 5 liters of paint for each color how many liters of paint does he have in all ?
[A]:
15