A cylindrical bottle of beverage has a bottom area of 2 decimeters and a height of 2.5 decimeters. How many liters is this bottle of beverage?
一圆柱形瓶装饮料，底面积2平方分米，高2.5分米，这瓶饮料多少升．
<gadget id="calculator">2 * 2.5</gadget>
<output>5</output>

<result>5</result>