A book has 120 pages, Xiao Ming has read 30%, how many pages should he start to read the second time.
一本书120页，小明看了30%，第二次应从第多少页开始看．
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">120 * (3/10)</gadget>
<output>36</output>

<gadget id="calculator">36 + 1</gadget>
<output>37</output>

<result>37</result>