A piece of rope, after cutting (2/3) meters, the remaining length is less than (1/2) meters. How long was the rope in meters?
一条绳子，剪去(2/3)米后，剩下的长度比剪去的少(1/2)米．这条绳子原来全长多少米？
<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">(2/3) - (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/6) + (2/3)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>