Teacher Wang cut a piece of rectangular colored paper with a length of 12 decimeters and a width of 9 decimeters into small squares with a side length of 3 decimeters. How many pieces can it be cut into?
王老师把一张长12分米，宽9分米的长方形彩纸，剪成边长是3分米的小正方形，可以剪成多少个？
<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<result>12</result>