Divide a 2-meter-long iron wire into 7 segments on average, how much of the total length does each segment occupy?
把2米长的铁丝平均分成7段，每段占全长的多少
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>