Use several rectangular hard paper rice with a length of 3 cm and a width of 2 cm to form a smallest square. What is the area of this square in square centimeters?
用若干个长3厘米、宽2厘米的长方形硬纸饭摆成一个最小的正方形．这个正方形的面积是多少平方厘米？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

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

<result>36</result>