To bind a batch of books, if 80 books are bound every day, it will take 6 days to finish, if it is finished in 5 days, how many books need to be bound every day? (Solve with ratio)
要装订一批图书，如果每天装订80本，要6天完成，如果5天完成，每天要装订多少本？(用比例解)
<gadget id="calculator">80 * 6</gadget>
<output>480</output>

<gadget id="calculator">480 / 5</gadget>
<output>96</output>

<result>96</result>