A new book has 126 pages, start reading from the first page, read it (1/9) on the first day, how many pages to start reading on the second day.
一本新书有126页，从第一页开始看起，第一天看了它的(1/9)，第二天从多少页开始看．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">126 * (1/9)</gadget>
<output>14</output>

<gadget id="calculator">14 + 1</gadget>
<output>15</output>

<result>15</result>