Alright, let's work through 8220 times 5278 step by step
8220 × 5278 = 5278 × (8220)
+ 5278 × 0 producing 0
+ 5278 × 20 yielding 105560
+ 5278 × 200 yielding 1055600
+ 5278 × 8000 which equals 42224000

= 43385160
