1 kg = 1000 g so 7.14 kg = 1000*7.14 g = 7140 g. Simple!
It is 7140 square feet!
84000 x 85000 = 84 x 1000 x 85 x 1000 = 84 x 85 x 1000 x 1000 which is equal to 84 x 85 x 1000000 = 7140 x 1000000 = 7140000000
75 divided into 1000 = 0.075
1000 divided by 563 = 1.7761989342806395
1000
1162.7907
241.074
1000
65447.374
200
50