A novel has 120 pages. Xiao Ming reads (1/4) on the first day and 40% on the second day. How many pages should he start reading on the third day?
一本小说120页，小明第一天看了(1/4)，第二天看了40%，第三天应从多少页看起．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/4) + (2/5)</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">120 * (13/20)</gadget>
<output>78</output>

<gadget id="calculator">78 + 1</gadget>
<output>79</output>

<result>79</result>