There is a cylinder whose base area is exactly equal to the side area. If the base area of the cylinder remains the same and the height increases by 1.5 cm, its surface area will increase by 56.52 square centimeters. What is the original surface area of the cylinder?
有一个圆柱，它的底面积与侧面积正好相等，如果这个圆柱的底面积不变，高增加1.5厘米，它的表面积就增加56.52平方厘米，原来这个圆柱的表面积是多少平方厘米？
<gadget id="calculator">56.52 / 1.5</gadget>
<output>37.68</output>

<gadget id="calculator">37.68 / 3.14 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36 * 3</gadget>
<output>339.12</output>

<result>339.12</result>