Xiao Ming and Xiao Hong read the same book. Xiao Ming read it in 16 days, with an average of 15 pages per day. Xiaohong read it in 12 days, how many pages more than Xiaoming per day on average?
小明和小红看同一本书．小明用16天看完，平均每天看15页．小红用12天看完，平均每天比小明多看多少页？
<gadget id="calculator">15 / 12</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">16 * (5/4)</gadget>
<output>20</output>

<gadget id="calculator">20 - 15</gadget>
<output>5</output>

<result>5</result>