Q: 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.
susie 's father repaired the bookshelves in the reading room . if he has 210 books to be distributed equally on the 10 shelves he repaired how many books will each shelf contain ?
A:
21