Liming borrowed a story book from the school library, and planned to read 6 pages a day and finish it in 20 days. If the school limits reading 5 days in advance, how many pages does he need to read every day? (answer with ratio)
黎明在学校图书馆借来一本故事书，计划每天看6页，20天看完．如果学校限定提前5天看完，他每天需看多少页？(用比例解答)
<gadget id="calculator">20 * 6</gadget>
<output>120</output>

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

<gadget id="calculator">120 / 15</gadget>
<output>8</output>

<result>8</result>