A piece of rope can enclose a rectangle with a length of 10 meters and a width of 6 meters. Now it can be changed into a square. What is the area of the square in square meters?
一段绳子可围成长10米，宽6米的长方形，现改围成一个正方形，正方形的面积是多少平方米．
<gadget id="calculator">10 + 6</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>