The school newly bought 416 story books, which were distributed to two grades on average. There are 4 classes in each grade, how many books are allocated to each class on average?
学校新买来416本故事书，平均分给两个年级．每个年级有4个班，平均每班分得多少本？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">416 / 8</gadget>
<output>52</output>

<result>52</result>