Cut a piece of rectangular paper with a length of 72 cm and a width of 48 cm into several equal small squares without any residue. What is the largest area of the cut square?
把一张长72厘米、宽48厘米的长方形纸，裁成若干个相等的小正方形而没有剩余．截出的正方形面积最大是多少？
<gadget id="calculator">2 * 2 * 2 * 3</gadget>
<output>24</output>

<gadget id="calculator">24 * 24</gadget>
<output>576</output>

<result>576</result>