There are 23 bookshelves in the school library, and each shelf holds 60 books. How many books are there in the library?
学校图书室有23个书架，每个书架放60本书，图书室共有多少本图书．
<gadget id="calculator">60 * 23</gadget>
<output>1_380</output>

<result>1_380</result>