Two teams jointly build a road (5/6) kilometers long, team A repairs the full length (1/3), team B repairs the full length (1/4), and only a fraction of the road remains How many have not been repaired?
两队合修一条长(5/6)千米的公路，A队修了全长的(1/3)，B队修了全长的(1/4)，还剩下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>