case of 24 bottles of beer is purchased at a wholesale price of 2.34 yuan per bottle, and sold at a retail price of 2.50 yuan per bottle. How much money can you earn by selling three cases of beer?
一箱啤酒24瓶，批发价购进时每瓶2.34元，零售价卖出时每瓶2.50元，卖出三箱啤酒可以赚多少钱？
<gadget id="calculator">2.5 - 2.34</gadget>
<output>0.16</output>

<gadget id="calculator">0.16 * 24 * 3</gadget>
<output>11.52</output>

<result>11.52</result>