How much is the square of 6 plus the square of 7 plus the square of 8 plus the square of 9, the square of 10 plus the square of 11 plus the square of 12 plus the square of 13 plus the square of 14 plus the square of 15?

How much is the square of 6 plus the square of 7 plus the square of 8 plus the square of 9, the square of 10 plus the square of 11 plus the square of 12 plus the square of 13 plus the square of 14 plus the square of 15?

one thousand one hundred and eighty-five