After folding a rope in half three times, each section is 0.2 meters long. How long is the rope originally?
把一根绳子对折三次后，每段长0.2米，这根绳子原来长多少米？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">0.2 / (1/8)</gadget>
<output>1.6</output>

<result>1.6</result>