There is a piece of paper with a length of 8 decimeters and a width of 6 decimeters. Fold it into a largest square. What is the perimeter of this square?
有一张长8分米，宽是6分米的纸，将它折成一个最大的正方形，这个正方形的周长是多少分米．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>