A batch of paper was shipped and bound into exercise books. Each book has 36 pages, and 40 books can be ordered. If each book has 30 pages, how many books can be ordered?
运来一批纸装订成练习本，每本36页，可订40本，若每本30页，可订多少本？
<gadget id="calculator">40 / 30</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">36 * (4/3)</gadget>
<output>48</output>

<result>48</result>