Li Ming wants to divide a piece of rectangular paper with a length of 18 centimeters and a width of 12 centimeters into small squares of equal size, and there is nothing left. How many can be divided into at least?
李明要将一张长18厘米，宽12厘米的长方形纸，分成大小相等的小正方形，且没有剩余．最少可以分成多少个？
<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>