An engineering team built a road, which has already repaired 1/3 of the total length, and there are 400 meters left to be repaired. How many meters is the total length of this road?
某工程队修路，已经修了全长的(1/3)，还剩400米没有修，问这条路全长多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">400 / (2/3)</gadget>
<output>600</output>

<result>600</result>