A rope with a length of 3.6 meters, (1/3) is used for the first time, and the remaining (1/4) is used for the second time, how many meters are left?
一根长3.6米的绳子，第一次用去它的(1/3)，第二次用去余下的(1/4)，还剩下多少米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3.6 * (2/3) * (3/4)</gadget>
<output>1.8</output>

<result>1.8</result>