Original sentence: According to the United States Census Bureau, the city has a total area of 12.0 square miles (31.1 km²), of which, 11.9 square miles (30.8 km²) of it is land and 0.1 square miles (0.3 km²) of it (0.92%) is water
Edited sentence: According to the United States Census Bureau, the city has a total area of , of which,  of it is land and  of it (0.92%) is water