A piece of iron wire can surround a rectangle with a length of 10 cm and a width of 6 cm. If a square is surrounded by it, what is the area of the square?
一根铁丝可以围城一个长10厘米，宽6厘米的长方形，如果用它围城一个正方形，正方形的面积是多少平方厘米？
<gadget id="calculator">6 + 10</gadget>
<output>16</output>

<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">16 * (1/2)</gadget>
<output>8</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<result>64</result>