Li Hong uses a 28 cm long iron wire to form a rectangle with a length of 8 cm. What is the width of the rectangle?
李红用一根长28厘米的铁丝围成一个长为8厘米的长方形，围成的长方形的宽是多少厘米？
<gadget id="calculator">28 / 2</gadget>
<output>14</output>

<gadget id="calculator">14 - 8</gadget>
<output>6</output>

<result>6</result>