There are 38 bookshelves in a primary school library, with an average of 42 books on each shelf. With 480 books out now, how many books are there in the library?
某小学图书馆共有38个书架，平均每个书架上放有42本书．现在借出480本，图书馆还有多少本书？
<gadget id="calculator">38 * 42</gadget>
<output>1_596</output>

<gadget id="calculator">1_596 - 480</gadget>
<output>1_116</output>

<result>1_116</result>