Use a 36 cm long iron wire to surround a rectangle. It is required that the length and width of the rectangle are both integer centimeters, and the length and width are not equal. What is the maximum area of the rectangle surrounded by square centimeters?
用长36厘米的铁丝来围一个长方形，要求长方形的长和宽都是整厘米数，且长和宽不相等，围成的这个长方形的面积最大是多少平方厘米？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<result>80</result>