The 4-meter-long iron wire is divided into 8 sections on average, each section is ((())/(())) meters long, each section is the full length ((())/(())), and the number of meters is expressed in decimals ．
4米长的铁丝平均分成8段，每段长((())/(()))米，每段是全长的((())/(()))，用小数表示是多少米．
<gadget id="calculator">4 / 8</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>