There is a rope, cut off the full length (1/6) for the first time, and cut off (2/3) meter for the second time, leaving half of the full length, how many meters is the total length of this rope?
有一根绳子，第一次剪掉全长的(1/6)，第二次剪掉(2/3)米，还剩全长的一半，这根绳子全长多少米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) - (1/6)</gadget>
<output>1/3 = around 0.333333</output>

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

<result>2</result>