A piece of rectangular cardboard with a length of 12 cm and a width of 4 cm can be cut into small squares with a side length of 2 cm
一张长12厘米、宽4厘米的长方形纸板，可以剪成边长为2厘米的小正方形多少个
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<result>12</result>