The time limit for borrowing books from the school library is 10 days. Xiao Ming borrowed a story book. If he reads 5 pages a day, he can read them all in 16 days. Please do the math for him, how many more pages can he read at least every day to return it on time?
学校图书室借阅图书的期限为10天．小明借了一本故事书，如果每天看5页，16天才能全部看完．请你帮他算一算，他至少每天多看几页才能准时归还？
<gadget id="calculator">5 / 10</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 * (1/2)</gadget>
<output>8</output>

<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<result>3</result>