A rope is 2 meters long, if (2/3) meters are cut off for the first time, and (2/3) is cut off for the second time, how many meters are left?
一根绳子长2米，第一次剪去(2/3)米，第二次剪去剩余的(2/3)，则还剩下多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">2 - (2/3)</gadget>
<output>4/3 = around 1.333333</output>

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

<gadget id="calculator">(4/3) * (1/3)</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>