Multiply the sum by the formula:
Story books are: 2400 ÷ (3+12+1) =150 (volume);
Science and technology tree: 150×3=450 (copies);
The comic book is: 450×4= 1800 (volume).
A: There are 450 science books, 150 story books and 1800 comic books.
So the answer is: 450, 150, 1800.