There is a rectangular piece of paper with a length of 64 cm and a width of 48 cm. If it is to be cut into several squares of the same size without remaining, what is the maximum side length of the cut squares?
有一张长方形纸，长64cm，宽48cm．如果要剪成若干个同样大小的正方形而没有剩余，剪出的小正方形的边长最大是几厘米？
<gadget id="calculator">2 * 2 * 2 * 2</gadget>
<output>16</output>

<result>16</result>