A book has 120 pages in total. I read (1/3) of it on the first day and 25% of it on the second day. How many pages should I start reading on the third day?
一本书共120页，第一天看了它的(1/3)，第二天看了它的25%，第三天应从第多少页看起．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">120 * (7/12)</gadget>
<output>70</output>

<gadget id="calculator">70 + 1</gadget>
<output>71</output>

<result>71</result>