If a rectangle with a length of 6 meters and a width of 4 meters is known as a square, what is the side length of the square?
已知一个长为6米宽为4米的长方形如果变成一个正方形，那正方形的边长为多少米？
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

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

<gadget id="calculator">10 * (1/2)</gadget>
<output>5</output>

<result>5</result>