There are 458 comic books in the school library. After lending them to eight classes in the first grade, there are 274 books left. How many comic books are borrowed by each class on average?
学校图书馆有连环画458本，借给一年级八个班后，还剩下274本，平均每班借了多少本连环画？
<gadget id="calculator">458 - 274</gadget>
<output>184</output>

<gadget id="calculator">184 / 8</gadget>
<output>23</output>

<result>23</result>