After sawing off (2/3) of a wooden stick, (2/3) meters remain, how long is the wooden stick in meters?
一根木棒锯掉它的(2/3)后，还剩(2/3)米，这根木棒长多少米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

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

<result>2</result>