Xiao Ming finished reading a 75-page book in 5 days. On average, he reads ((())/(())) of the whole book every day, and how many pages he reads on average every day.
小明5天看完一本75页的书，平均每天看全书的((())/(()))，平均每天看多少页．
<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<result>15</result>