If a cylinder with a base radius of 6 decimeters and a height of 1 meter is cut into 3 smaller cylinders, how much does the surface area increase?
把一个底面半径6分米，高1米的圆柱切成3个小圆柱，表面积增加了多少？
<gadget id="calculator">3.14 * 6 * 6 * 4</gadget>
<output>452.16</output>

<result>452.16</result>