It is known that the number a is 24, the least common multiple of it and number B is 168, their greatest common divisor is 12, and number B is?

It is known that the number a is 24, the least common multiple of it and number B is 168, their greatest common divisor is 12, and number B is?

X*Y / 12 = 168
Y = 168 * 12 / X = 84