A book has 115 pages, and I read 75 pages on the first day, what percentage of the book are the remaining pages? How many
一本书有115页，第一天看了75页，那么剩下的页数占全书的几分之几？多少
<gadget id="calculator">115 - 75</gadget>
<output>40</output>

<gadget id="calculator">40 / 115</gadget>
<output>8/23 = around 0.347826</output>

<result>8/23 = around 0.347826</result>