Cut a 2-meter-long iron wire into 5 sections on average, and each section of iron wire is ((())/(())) meters long.
把2米长的铁丝平均剪成5段，每段铁丝长((())/(()))米．
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>