A cylinder has a base area of 15 square decimeters and a height of 6 decimeters, what is its volume in cubic decimeters?
一个圆柱的底面积是15平方分米，高6分米，它的体积是多少立方分米．
<gadget id="calculator">15 * 6</gadget>
<output>90</output>

<result>90</result>