Xiaoxiao reads a book with a total of 160 pages, and has already read 60 pages. The rest will be finished in 5 days. How many pages do you read on average every day?
笑笑看一本书共160页，已经看了60页，剩下的要在5天看完，平均每天看多少页？
<gadget id="calculator">160 - 60</gadget>
<output>100</output>

<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<result>20</result>