Level 1
Adam has 1800 red stickers, 2400 blue stickers and 1200 yellow stickers.
After some stickers are given away,
Adam has 3000 stickers left.
How many stickers are given away?
Level 2
A jug contains some milk.
Adam drinks 710 litre of milk.
Bryan drinks 25 litre of milk.
There is 14 litre of milk left in the jug.
How much milk is there at first in ℓ?
Give the answer in fraction.