A story book has 280 pages. Xiaosong plans to finish reading this book in two weeks. How many pages should he read on average every day?
一本故事书有280页．小松准备2个星期把这本书看完，平均每天要看多少页？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">280 / 14</gadget>
<output>20</output>

<result>20</result>