The original height of a cylinder is 8 cm. If the height of the cylinder is cut off by 4 cm, the surface area will be reduced by 25.12 square centimeters. What is the original surface area in square centimeters?
一个圆柱原来高8厘米，圆柱的高截去4厘米，表面积就减少25.12平方厘米，原来的表面积是多少平方厘米？
<gadget id="calculator">25.12 / 4 / 3.14 / 2</gadget>
<output>1</output>

<gadget id="calculator">1 ** 2</gadget>
<output>1</output>

<gadget id="calculator">3.14 * 1 * 2 * 8</gadget>
<output>50.24</output>

<gadget id="calculator">3.14 * 1 * 2</gadget>
<output>6.28</output>

<gadget id="calculator">50.24 + 6.28</gadget>
<output>56.52</output>

<result>56.52</result>