The road construction team built a 3,000-meter-long concrete road, and a week later, there were still 1,800 meters left to be repaired. What percentage of the rest has been repaired?
筑路队修一条长3000米的混凝土路，一周后还剩下1800米没有修，已修的占剩下的几分之几？
<gadget id="calculator">3_000 - 1_800</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 1_800</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>