A rope is first cut off (1/3) and then connected to (2/3) meters. This rope is the same length as before. How many meters is the original length of the rope?
一条绳子先截去(1/3)，又接上(2/3)米，这条绳子同以前一样长，绳子原来长多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

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

<result>2</result>