Binding a batch of books, if each book has 24 pages, can bind 1000 books. Now each book is bound with 40 pages, how many books can be bound? (Solve with ratio)
装订一批簿本，如果每本24页，可以装订1000本．现在每本装订40页，可以装订成多少本？(用比例解)
<gadget id="calculator">24 * 1_000</gadget>
<output>24_000</output>

<gadget id="calculator">24_000 / 40</gadget>
<output>600</output>

<result>600</result>