There are 3 bookshelves in Xiaohong's house, each with 4 floors, and 48 books on each floor. How many books can these bookshelves hold in total?
小红家有3个书架，每个书架有4层，每层放48本书．这些书架一共可以放多少本书？
<gadget id="calculator">48 * 4 * 3</gadget>
<output>576</output>

<result>576</result>