A rope is 6 meters long. Cut it into 7 sections on average. The length of each section is ((())/(())) of the rope. How many meters is each section?
一根绳子长6米，把它平均截成7段，每段长是这个绳子的((())/(()))，每段长多少米．
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 / (1/7)</gadget>
<output>7</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<result>6/7 = around 0.857143</result>