A rope, cut off its (1/2) for the first time, cut off the rest (1/3) for the second time, cut off the rest (1/4) for the third time, and the remaining rope Is it a fraction of the original?
一根绳子，第一次剪去它的(1/2)，第二次剪去剩下的(1/3)，第三次剪去又剩下的(1/4)，剩下的绳子是原来的几分之几？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<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">(1/2) * (2/3) * (3/4)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>