If you cut out the largest square piece of paper from a rectangular piece of paper with a length of 25 cm and a width of 23 cm. What is the area of the cut square piece of paper in square centimeters?
如果从一个长是25厘米，宽是23厘米的长方形纸片上，剪下一个最大的正方形纸片．所剪成的正方形纸片的面积是多少平方厘米．
<gadget id="calculator">23 * 23</gadget>
<output>529</output>

<result>529</result>