A total of 80 pages of a book were read in the first 5 days, and an average of 8 pages per day in the next 15 days, just finished. How many pages does Xiaohong read on average per day?
一本书前5天共看80页，后15天平均每天看8页正好看完，小红看这本书平均每天看多少页？
<gadget id="calculator">8 * 15</gadget>
<output>120</output>

<gadget id="calculator">80 + 120</gadget>
<output>200</output>

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

<gadget id="calculator">200 / 20</gadget>
<output>10</output>

<result>10</result>