cylinder with a height of 10 centimeters, if the height is reduced by 3 centimeters, the surface area will be reduced by 18.84 square centimeters, what is the volume of the cylinder in cubic centimeters?
一个高10厘米的圆柱，如果把高减少3厘米后，表面积就减少18.84平方厘米，这个圆柱的体积是多少立方厘米？
<gadget id="calculator">18.84 / 3</gadget>
<output>6.28</output>

<gadget id="calculator">6.28 / 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>