A 1-meter-long rope is folded in half and then folded in half again. What is the length of each length of the rope?
1米长的绳子对折再对折，每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>