A cylinder is dug out to form a cone with the same base. The height of the cone is 2/3 of the height of the cylinder, the radius of the base is 2 cm, and the height of the cylinder is 9 cm. What is the volume of the remaining part?
一个圆柱被挖去一个同底的圆锥，圆锥的高是圆柱高的(2/3)，底面半径为2厘米，圆柱高为9厘米，则剩余部分的体积是多少？
<gadget id="calculator">3.14 * 36</gadget>
<output>113.04</output>

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

<gadget id="calculator">113.04 - 6.28</gadget>
<output>106.76</output>

<result>106.76</result>