There is a book with 120 pages in total. Xiao Ming reads (1/4) of the whole book on the first day, and the remaining (1/3) and 5 pages on the second day.
有一本书共120页，小明第一天看了全书的(1/4)，第二天看了余下的(1/3)又5页，第三天应从第多少看起．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<gadget id="calculator">120 - 30</gadget>
<output>90</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">90 * (1/3)</gadget>
<output>30</output>

<gadget id="calculator">30 + 5</gadget>
<output>35</output>

<gadget id="calculator">30 + 35 + 1</gadget>
<output>66</output>

<result>66</result>