cuboid column has a base circumference of 3.2 decimeters and a height of 4 meters. If the surface of this column is to be painted, how many square meters is the painted area?
一个长方体的立柱，底面周长3.2分米，高4米，如果要在这根立柱的表面涂油漆，涂油漆的面积是多少平方米？
<gadget id="calculator">3.2 / 10</gadget>
<output>0.32</output>

<gadget id="calculator">0.32 * 4</gadget>
<output>1.28</output>

<result>1.28</result>