Detailed Instructions: You are given a math word problem and you are supposed to apply division mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
Q: Context: Frank was reading through his favorite book. The book had 2 chapters each with 405 pages. It took frank 664 days to finish the book. 

 Question: How many chapters did he read per day?
A:
332