There are 4,900 literary and art books in the library, and there are 800 more story books than literary and art books. How many story books are there?
图书馆有4900本文艺书，故事书比文艺书多800本，故事书有多少本？
<gadget id="calculator">4_900 + 800</gadget>
<output>5_700</output>

<result>5_700</result>