Four Loko Numbers Add Up to Trouble Controversial drinks has a potent punch By John Johnson, Newser Staff Posted Oct 28, 2010 3:53 PM CDT 8 comments Comments Cans of Four Loko on display at a liquor store in Palo Alto, Calif. (AP Photo/Paul Sakuma) (Newser) – The Huffington Post weighs in on the controversy over Four Loko with a breakdown of numbers related to the caffeinated drink nicknamed "blackout in a can." 2: Number of college campuses that have banned it. 4: Number of cans of light beer with the equivalent alcohol in one Four Loko. 9: Number of students hospitalized at a college party in Washington state after drinking it. 18: Number of state attorney generals encouraging a federal investigation. 660: Number of calories in one can. For the full list, click here.