A cylinder without a cover has a surface area of 452.16 square centimeters and a base diameter of 16 centimeters. Find its volume.
一个无盖圆柱体的表面积是452.16平方厘米，底面直径16厘米，求它的体积．
<gadget id="calculator">16 / 2</gadget>
<output>8</output>

<gadget id="calculator">8 ** 2</gadget>
<output>64</output>

<gadget id="calculator">3.14 * 64</gadget>
<output>200.96</output>

<gadget id="calculator">452.16 - 200.96</gadget>
<output>251.2</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">251.2 * (1/2) * 8</gadget>
<output>1_004.8</output>

<result>1_004.8</result>