Input (grade 9): The Kara Sea is roughly 1,450 kilometres long and 970 kilometres wide with an area of around 880,000 kmÂ and a mean depth of 110 m.
Output (grade 5): It is roughly 1,450 kilometres long and 970 kilometres wide. It has an area of around 880,000 kmÂ and a average depth of 110 m.