A section of road has been built, and the entire length (1/3) has been completed, and there is still 200 meters away from the midpoint. How many meters is this section of road?
修一段路，现已完成了全程的(1/3)，离中点还有200米，这段路有多少米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">200 / (1/6)</gadget>
<output>1_200</output>

<result>1_200</result>