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.

[EX Q]: While on vacation , Gwen took 41 pictures at the zoo and 29 at the museum . If she later deleted 15 of the pictures , how many pictures from her vacation did she still have ?
[EX A]: 55

[EX Q]: Tiffany uploaded 7 pictures from her phone and 13 from her camera to facebook . If she sorted the pics into 5 different albums with the same amount of pics in each album , how many pictures were in each of the albums ?
[EX A]: 4

[EX Q]: A new building needed 14 windows . The builder had already installed 8 of them . If it takes 8 hours to install each window , how long will it take him to install the rest ?
[EX A]:
48