After Xiao Ming cuts off 8 sections of the same length from a 1-meter-long iron wire, there is still 28 centimeters left. How long is each section of the iron wire cut off?
小明将一根1米长的铁丝截去长度相同的8段后，还剩28厘米，截下的每一段铁丝长多少？
<gadget id="calculator">1 * 100</gadget>
<output>100</output>

<gadget id="calculator">100 - 28</gadget>
<output>72</output>

<gadget id="calculator">72 / 8</gadget>
<output>9</output>

<result>9</result>