Paint one side (inner and outer sides) of a cube iron box with a side length of 1.2 meters. What is the area of the painted part in square meters?
给一个棱长是1.2米的正方体铁箱油漆一边(内外两面)，油漆部分的面积是多少平方米？
<gadget id="calculator">1.2 * 1.2 * 6 * 2</gadget>
<output>17.28</output>

<result>17.28</result>