Mom cuts out the largest square floral cloth from a rectangular floral cloth that is 6 meters long and 5 meters wide. What is the perimeter of this square floral cloth in meters?
妈妈在一块长6米，宽5米的长方形花布上剪出一块最大的正方形花布，这块正方形花布的周长是多少米？
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

<result>20</result>