There is a (4/5) kilometer road. The road construction team repaired (1/3) of this road on the first day and (1/4) of this road on the second day. How much is not repaired?
有一条(4/5)千米的路，修路队第一天修了这条路的(1/3)，第二天修了这条路的(1/4)，还剩这条路的几分之几没有修？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 - (1/3) - (1/4)</gadget>
<output>5/12 = around 0.416667</output>

<result>5/12 = around 0.416667</result>