1 in 1997 + 2 in 1997 + 3 in 1997 + 4 in 1997 +. + 1997 in 1997 (simple calculation)

1 in 1997 + 2 in 1997 + 3 in 1997 + 4 in 1997 +. + 1997 in 1997 (simple calculation)

nine hundred and ninety-nine