The school buys back 6 books, 40 books each, and distributes these books to 8 classes on average. How many books can each class divide?
学校买回6梱书，每梱40本，把这些平均分给8个班，每个班可分图书多少本？
<gadget id="calculator">40 * 6</gadget>
<output>240</output>

<gadget id="calculator">240 / 8</gadget>
<output>30</output>

<result>30</result>