There are 13 bookshelves in the reading room, each shelf has 5 floors, and each floor can hold 65 books. How many books can the bookshelves in the reading room hold in total?
阅览室有13个书架，每个书架有5层，每层可以放65本书，阅览室的书架一共能放多少本书？
<gadget id="calculator">65 * 5 * 13</gadget>
<output>4_225</output>

<result>4_225</result>