A rope is folded in half, and then folded in half again. At this time, each section is 8 meters long. What is the original length of the rope?
一根绳子对折，再对折，这时每段长8米，这根绳子原来长多少米．
<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">8 / (1/4)</gadget>
<output>32</output>

<result>32</result>