Input (grade 8): The island is about 55 x 19 miles (90 x 30 km) in extent, the highest point being 108 ft (33 m) on East Hill.
Output (grade 8): The island is about 55 Ã - 19 miles (90 Ã - 30 km) in extent, the highest point being 108 ft (33 m) on East Hill.