Divide a 4-meter-long rope into 7 identical sections, how much of the total length does each section occupy?
把一根长4米长的绳子分成相同的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>