A book has 22 lines of words per page, 39 words per line. How many words are there per page? According to the information given, each page has 22 lines and 39 words, and we can use simple mathematical calculations to solve this problem: Words per page = Words per line x Rows per page Rows per page = 22 Words per page = 39 × 22 = 780 Therefore, each page had about 780 words.