Alright, let's work through 5280 times 3940 step by step
5280 × 3940 = 3940 × (5280)
+ 3940 × 0 that results in 0
+ 3940 × 80 that equals 315200
+ 3940 × 200 what gives us 788000
+ 3940 × 5000 that results in 19700000

= 20803200
