Cut the (4/7) meter long iron wire into five sections on average, how much does each section take up in the total length
把(4/7)米长的铁丝平均截成五段，每段占全长的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>