The school bought back 8 books, 30 books each, and distributed them to 6 classes on average. How many books can each class divide?
学校买回8梱书，每梱30本，把这些平均分给6个班，每个班可分图书多少本？
<gadget id="calculator">30 * 8</gadget>
<output>240</output>

<gadget id="calculator">240 / 6</gadget>
<output>40</output>

<result>40</result>