The ratio of science and technology books to story books is 7 to 8, and science and technology books account for 7/ 15 of the two types of books and 3/5×7/ 15 of the total number of three types of books. Similarly, literary books account for 8/ 15 of the two types of books and 3/5×8/ 15 of the total number of three types of books.
Total number of books:144 ÷ (3/5× 8/15-3/5× 7/15) = 3,600.
Storybook: 3600×2/5= 1440.
Science and technology books: 3600× 3/5× 7/15 =1008.
Literature books: 3600× 3/5× 8/15 =1152.