How many tiles are in a standard Chinese Mahjong set?

A standard Chinese Mahjong set contains 144 tiles. This includes 36 Character tiles (1 to 9, four copies each), 36 Bamboo tiles, 36 Circle tiles, 16 Wind tiles (East, South, West, North, four each), 12 Dragon tiles (Red, Green, White, four each), and 8 bonus tiles (4 Flowers and 4 Seasons). Some sets include additional joker or blank tiles, but the core game uses 144.