What is 3 x 4 x 5 x 6?

What three-word term describes the October 20, 1973, Watergate exodus of Elliot Richardson, William Ruckelshaus and Arc… What was the three-word title of the 1950s TV show hosted by Walter Cronkite that recreated historical events as news? Which 1959 Bobby Darin hit begins "Oh, the shark, babe, has such teeth, dear"? Complete Oliver Hazard Perry's often-parodied 1813 report: "We have met the enemy, and ___." Three years after being forced out by the Japanese, Douglas MacArthur returned in February 1945 to which capital city? After the Bounty mutiny, Captain William Bligh succeeded on a second voyage to bring which tree to Jamaica? Which four-word panel show, hosted by Garry Moore from 1952, had contestants whisper a secret for celebrities to guess? Thirty-second TV ads for which January 26, 1997, game sold for an average of about $1.2 million?