A piece of iron wire is 2 meters long. If you cut off (1/3) of the full length for the first time and cut off (1/3) the second time, how many meters are left?
一根铁丝长2米，第一次剪去全长的(1/3)，第二次剪去(1/3)米，还剩多少米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 * (1/3)</gadget>
<output>2/3 = around 0.666667</output>

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

<result>1</result>