Fold a rope in half and then cut it in half. Measure the length of the longest (1/4) meter. What is the length of the rope in meters?
一根绳子对折再对折，从中间剪开，量得最长的一根长(1/4)米，则这根绳长多少米．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

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

<gadget id="calculator">(1/4) / (1/4)</gadget>
<output>1</output>

<result>1</result>