Cut a piece of rectangular paper with a length of 12 cm and a width of 18 cm into a square with the same size and as large an area as possible, and there is no surplus, at least how many can be cut?
把一张长为12厘米，宽为18厘米的长方形纸裁成同样大小，面积尽可能大的正方形，且没有剩余，至少可以裁多少个？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">18 / 6</gadget>
<output>3</output>

<gadget id="calculator">12 / 6</gadget>
<output>2</output>

<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>