Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.
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Question: evan has a large collection of books . he gave his best friend 14 books . he gave his little brother 8 books . now evan has 60 books in his collection . how many books did he have at first ?

Answer: 82

Question: a dvd book holds 126 dvds . there are 81 dvds already in the book . how many more dvds can be put in the book ?

Answer: 45

Question: an architect was building his 2 story house . on the first floor the house had 6 bedrooms and the second floor had 4 bedrooms . how many bedrooms does the house have totaled ?

Answer:
10