How about 30*60 = 1800 as one example
20
20x90
20 x 90 = 180020 times 90 equals 18 times 100 equals 1800.
1800
It equals 1800
20x90=1800
Because 1 foot equals about 0.3048 meter then 1800 square feet equals (0.3048 meter) (1800) = 548.64 meters
As 1.00 equals 100%, 18.00 equals 1800 %
600
1800 L is equal to 1.8 KL
1800
1800
216,000
1800