Divide a 5-meter-long iron wire into 9 sections, each section is the total length.
把5米长的铁丝平均分成9段，每段是全长的多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>