To tie a 4-meter-long iron wire into 9 equal sections, what is the average length of time for each section and the total time
把4米长的铁丝结成相等的9段，平均每截一段所用的时间长总时间的多少
<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>