square cardboard with a side length of 12dm can be cut into a maximum number of small squares with a side length of 4dm
一张边长为12dm的正方形纸板，最多可以剪成边长为4dm的小正方形多少个
<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">144 / 16</gadget>
<output>9</output>

<result>9</result>