Fold a 1-meter-long rope in half, and then fold it in half to get several small pieces. Each small piece is how much the rope is
把一根1米长的绳子对折、再对折，得到若干小段，每一小段是这根绳子的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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