The length and width of a figure are equal, and the circumference is 24 cm. What is its area?
一个图形的长和宽相等，周长是24厘米，它的面积是多少？
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>