Xiao Fang has been reading a 52-page storybook for 3 days, 8 pages a day. The rest will take 4 days to read. How many pages do you read on average per day?
小方看一本52页的故事书，已经看了3天，每天看8页．剩下的要4天看完，平均每天看多少页？
<gadget id="calculator">3 * 8</gadget>
<output>24</output>

<gadget id="calculator">52 - 24</gadget>
<output>28</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>