A storybook has 96 pages in total. Xiao Ming has already read 16 pages, and the rest is required to be finished in 4 days. How many pages do you read on average per day?
一本故事书共96页，小明已经读了16页，余下的要求在4天看完，平均每天看多少页？
<gadget id="calculator">96 - 16</gadget>
<output>80</output>

<gadget id="calculator">80 / 4</gadget>
<output>20</output>

<result>20</result>