Cut a largest square out of a rectangle whose length is 8 decimeters and width is 6 decimeters. What is the area of this square?
在一个长是8分米，宽是6分米的长方形中剪一个最大的正方形，这个正方形的面积是多少平方分米．
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>