if a certain number is divided by 12 , the quotient , dividend , and divisor , added together , will amount to 64 . what is the number ?
"let x = the number sought . then x / 12 + x + 12 = 64 . and x - 624 / 13 = 48 ."
divide(multiply(subtract(64, 12), 12), add(12, const_1))