There are 1,820 story books, 682 science books, and 3,180 comic books in the school library. How many books are there in total?
学校图书馆的故事书有1820本，科技书有682本，连环画有3180本，这三种书一共有多少本？
<gadget id="calculator">1_820 + 682 + 3_180</gadget>
<output>5_682</output>

<result>5_682</result>