JACKSONVILLE, FL -- "Divide, multiply and subtract! Break it on down and bring it on back." If you say it enough, you'll probably have it memorized in no time. At least, that's the goal for some ...

JACKSONVILLE, Fla. (WPVI) -- "Divide, multiply and subtract! Break it on down and bring it on back." If you say it enough, you'll probably have it memorized in no time. At least, that's the goal for ...