Enchantment tables take 10x less exp

EXP Tables take 3 levels instead of 30 when doing a level 3 enchant.
Steps:

Place enchant table
Put 15 bookshelves around it
Go into SURVIVAL or ADVENTURE
Give yourself 30 levels: /xp 30l @p
Enchant a pickaxe with 30 levels & 3 lapis
It takes 3 levels not 30.