For a 2-meter-long iron wire, cut off (1/2) of it first, and then cut off (1/6) of it, how much of the wire is cut in total.
2米长的铁丝，先剪去它的(1/2)，再剪去它的(1/6)，一共剪去这根铁丝的多少．
<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>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>