A 3-meter-long iron wire should be cut into several sections on average. If one section is cut each time, it can be completed by cutting 4 times. In this way, the length of one section is ((())/(())) of the original iron wire.
要把一根长3米的铁丝平均剪成几段，如果每次剪下一段，剪4次就可以完成，这样，一段的长是原来铁丝的((())/(()))．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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