The road repair team builds a road. The ratio of the length of the repaired to the unrepaired is 1:5. After another 350 meters, the repaired length is three times the unrepaired length. How many meters is the total length of this road?
修路队修一条路，已修好的与未修好的长度比是1：5，再修350米后，已修好的长度是未修的长度的3倍，这条路全长多少米？
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 + 5</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(3/4) - (1/6)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">350 / (7/12)</gadget>
<output>600</output>

<result>600</result>