You are given a math word problem and you are supposed to apply multiple mathematical operators 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.

A new building needed 11 windows . The builder had already installed 4 of them . If it takes 8 hours to install each window , how long will it take him to install the rest ?
56

A pet store had 13 puppies . In one day they sold 7 of them and put the rest into cages with 2 in each cage . How many cages did they use ?
3

John had 5 dollars . At the store he spent $ 2 on a new game . If he got another 26 dollars for his allowance , how much money does he have now ?

29