Xiaoyun has 40 comic books, and the number of story books is less than that of comic books (3/5). How many fewer Xiaoyun's story books than comic books?
小云有漫画书40本，故事书的本数比漫画书少(3/5)．小云的故事书比漫画书少多少本？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">40 * (3/5)</gadget>
<output>24</output>

<result>24</result>