A square and a rectangle have the same perimeter. The length of the rectangle is 10 meters and the width is 6 meters. What is the area of the square in square meters?
一个正方形和一个长方形的周长相等，长方形的长是10米，宽是6米，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>