There is an upside-down (bottom up) conical container with a bottom radius of 2.5 decimeters. Inside B holds 8 liters of alcohol, and the depth is exactly half of the height of the entire container. How many liters of alcohol can the container hold?
有一个倒立(底面向上)的圆锥体容器，底面半径为2.5分米，里面乙盛有8升酒精液，深度正好是整个容器高度的一半，那么该容器还能装酒精多少升．
<gadget id="calculator">8 * 16</gadget>
<output>128</output>

<gadget id="calculator">128 - 8</gadget>
<output>120</output>

<result>120</result>