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.

[Q]: they decided to hold the party in their backyard . if they have 8 sets of tables and each set has 7 chairs how many chairs do they have for the guests ?
[A]: 56


[Q]: bryan took a look at his books as well . if he has 56 books in each of his 9 bookshelves how many books does he have in total ?
[A]: 504


[Q]: roger was reading through his favorite book series . he had 30 books to read total . if he read 6 books each week how many weeks would it take him to finish the series ?
[A]:
5