If a cone has a base area of 20 cm2 and a height of 3 cm, what is the volume of a cylinder with the same base and height in cm3?
一个圆锥体的底面积是20平方厘米，高是3厘米，与它等底等高的圆柱体的体积是多少立方厘米．
<gadget id="calculator">20 * 3</gadget>
<output>60</output>

<result>60</result>