If a rope is cut off by 3 meters, it is exactly (1/3) of the rope. What is the length of the rope in meters?
一条绳子剪去3米正好是这根绳子的(1/3)，这根绳子长是多少米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 / (1/3)</gadget>
<output>9</output>

<result>9</result>