Cut out the largest square from a piece of paper with a length of 25 decimeters and a width of 12 decimeters. What is the area of the cut square?
从长25分米，宽12分米的纸中，剪下一个最大的正方形，剪下的正方形面积是多少．
<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<result>144</result>