Divide the 7-meter-long rope into 3 sections on average. The length of each section is ((())/(())) and the 2 sections take up ((())/(())).
把7米长的绳子平均分成3段，每段长多少米，每段占全长的((())/(()))，2段占全长的((())/(()))．
<gadget id="calculator">7 / 3</gadget>
<output>7/3 = around 2.333333</output>

<result>7/3 = around 2.333333</result>