A square piece of paper with a side length of 18 cm is cut into small square pieces of paper with an area of 9 cm**2. How many pieces can be cut?
边长为18厘米的正方形纸片，剪成面积是9厘米**2的小正方形纸片，可以剪多少个．
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

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

<result>36</result>