Use 36 squares with a side length of 1 cm to form a large square. What is the area of the large square in square centimeters?
用36边长1厘米的正方形拼成一个大正方形，大正方形的面积是多少平方厘米？
<gadget id="calculator">1 * 1 * 36</gadget>
<output>36</output>

<result>36</result>