The height of a cylinder is 10 centimeters. If the height is increased by 1 centimeter, the surface area increases by 6.28 square centimeters. What is the volume of the cylinder in cubic centimeters?
一个圆柱体高是10厘米，如果把高增加1厘米，则表面积增加了6.28平方厘米，这个圆柱体体积是多少立方厘米？
<gadget id="calculator">6.28 / 1 / 3.14 / 2</gadget>
<output>1</output>

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

<gadget id="calculator">3.14 * 1 * 10</gadget>
<output>31.4</output>

<result>31.4</result>