Use 34 cm long iron wire to form various rectangles (the length and width are integers in centimeters), what is the area of the largest rectangle in square centimeters?
用34厘米长的铁丝围成各种长方形(长、宽都是整厘米数)，其中最大的一个长方形面积是多少平方厘米．
<gadget id="calculator">9 * 8</gadget>
<output>72</output>

<result>72</result>