The road construction team has built a road, and it has built 156 meters, which is three times that of the rest. How long is this road in meters?
修路队修一条公路，已经修了156米，是剩下的3倍，这条公路全长多少米？
<gadget id="calculator">156 / 3</gadget>
<output>52</output>

<gadget id="calculator">52 + 156</gadget>
<output>208</output>

<result>208</result>