Xiaohong reads a children's novel, reads 12 pages a day, and can finish it in 10 days; if she reads 15 pages a day, how many days can she finish it?
小红看一本儿童小说，每天看12页，10天可以看完；如果每天看15页，多少天可以看完？
<gadget id="calculator">12 * 10</gadget>
<output>120</output>

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

<result>8</result>