A piece of rope, after subtracting (2/3) meters, there is exactly (2/3) left, what is the total length of this rope?
一根绳子，减去(2/3)米后正好还剩(2/3)，这条绳子全长多少米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

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

<result>2</result>