Cut a 4-meter-long iron wire into 9 sections. What is the time it takes to cut each section into 9 sections?
把4米长铁丝截成9段，截成每段所用时间是截完9段所用时间的多少
<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>