Fold a rope in half and then fold it in half to measure (6/7) meters. What is the length of the rope in meters?
把一条绳子对折再对折后量是(6/7)米，这条绳子长多少米．
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(6/7) * 4</gadget>
<output>24/7 = around 3.428571</output>

<result>24/7 = around 3.428571</result>