Xiao Ming reads a 120-page story book. He reads (1/10) of the whole book on the first day and (1/6) of the whole book on the second day. On the third day, he should read from the first page.
小明看一本120页的故事书，第一天读了全书的(1/10)，第二天读了全书的(1/6)，第三天应从第多少页读起．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/10) + (1/6)</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">120 * (4/15)</gadget>
<output>32</output>

<gadget id="calculator">32 + 1</gadget>
<output>33</output>

<result>33</result>