There is a small road in the park. Xiao Ming walks the full length (1/3), and there are 200 meters left. How many meters is the total length of this small road?
公园里有一条小路，小明走了全长的(1/3)，还剩下200米，这条小路全长多少米．
<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">200 / (2/3)</gadget>
<output>300</output>

<result>300</result>