Traditional Culture Encyclopedia - Hotel reservation - What floor is the hotel room 3- 1-8 12 on?

What floor is the hotel room 3- 1-8 12 on?

The hotel room number is 3- 1-8 12 on the third floor. Hotel room format: floor number+room number. 3- 1-8 12, 3 is 3 floors, and the floor number coding method: according to the floor number of the building plan, the maximum number of floors on the bottom floor is ten digits, written in natural numbers; The number of floors in the basement is in single digits, and "b" is added before the number of floors (b stands for basement), that is, B 1, B2 and B3 are written in sequence.