When deriving the cylinder formula, the cylinder with a height of 6 decimeters is cut and assembled into an approximate cuboid, and the surface area of the cuboid is increased by 24 square decimeters compared with the original cylinder. Find the surface area of the cylinder?
在圆柱体公式推导时，将高6分米的圆柱切拼成一个近似长方体，长方体的表面积比原圆柱增加24平方分米，求圆柱的表面积？
<gadget id="calculator">24 / 2 / 6</gadget>
<output>2</output>

<gadget id="calculator">2 ** 2</gadget>
<output>4</output>

<gadget id="calculator">3.14 * 4 * 2</gadget>
<output>25.12</output>

<gadget id="calculator">3.14 * 2 * 2 * 6</gadget>
<output>75.36</output>

<gadget id="calculator">25.12 + 75.36</gadget>
<output>100.48</output>

<result>100.48</result>