52,800 are.
Miles
1 yard = 3 foots 2 yards = 6 foots 3 yards = 9 foots . . etc.
63
12.5 feet
1600 square feet (not foots!) = 148.6449 sq metres (to 4 dp)
5,280 feet.
5280 feet
There are 3.28 ft in 1 m
3 feet makes a yard
2178 Sq.ft
3 feet makes a yard