A piece of iron wire can be folded into an equilateral triangle whose side length is 8 cm. If this wire is folded into a square, what is the maximum area of the square?
一根铁丝，可以折成一个边长是8厘米的等边三角形，若用这根铁丝折成一个正方形，这个正方形的面积最大是多少．
<gadget id="calculator">3 * 8</gadget>
<output>24</output>

<gadget id="calculator">24 / 4</gadget>
<output>6</output>

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

<result>36</result>