There are 180 story books in the library, and picture books are 18 fewer than story books. How many story books and picture books are there in total?
图书馆有故事书180本，图画书比故事书少18本，故事书、图画书共有多少本？
<gadget id="calculator">180 - 18</gadget>
<output>162</output>

<gadget id="calculator">162 + 180</gadget>
<output>342</output>

<result>342</result>