How many small squares with an area of 4 cm**2 can be cut from a square paper with a side length of 12 cm.
边长为12厘米的正方形纸，可以剪成面积是4厘米**2的小正方形多少个．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<result>36</result>