If a cylinder with a height of 3 meters is cut into two sections on average along the diameter of the bottom surface, the surface area is increased by 6 square meters compared with the original one. What is the original surface area of the cylinder in square meters?
把一个3米高的圆柱沿底面直径平均截成两段，表面积比原来增加6平方米，这个圆柱原来的表面积是多少平方米？
<gadget id="calculator">6 / 2 / 3 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) ** 2</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3.14 * (1/4)</gadget>
<output>0.785</output>

<gadget id="calculator">0.785 * 2</gadget>
<output>1.57</output>

<gadget id="calculator">3.14 * (1/2) * 2 * 3</gadget>
<output>9.42</output>

<gadget id="calculator">1.57 + 9.42</gadget>
<output>10.99</output>

<result>10.99</result>