A cylindrical piece of wood has a base area of 1.5 decimeters**2 and a length of 5 decimeters. What is its volume in cubic decimeters?
一个圆柱形木头，底面积是1.5分米**2，长是5分米，它的体积是多少立方分米．
<gadget id="calculator">1.5 * 5</gadget>
<output>7.5</output>

<result>7.5</result>