A novel has 320 pages, Li Hong read the whole book (1/8) on the first day, and read 5 pages less than the first day on the second day, how many pages are left.
一本小说320页，李红第一天看了全书的(1/8)，第二天比第一天少看了5页，还剩多少页没有看．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">320 * (1/8)</gadget>
<output>40</output>

<gadget id="calculator">40 - 5</gadget>
<output>35</output>

<gadget id="calculator">320 - 40 - 35</gadget>
<output>245</output>

<result>245</result>