Everybody knows that for an ocean you need lots of water. But how much?
In the following addition,
WATER
WATER
WATER
WATER
—–+
OCEAN
Replace every letter with a digit to get a correct addition.
The same letter always represents the same digit and no digit is represented by 2 or more letters.
Funny enough, we can also reverse this:
OCEAN
OCEAN
OCEAN
OCEAN
—–+
WATER
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