Alright, let's work through 8220 times 6620 step by step
8220 × 6620 = 6620 × (8220)
+ 6620 × 0 resulting in 0
+ 6620 × 20 producing 132400
+ 6620 × 200 resulting in 1324000
+ 6620 × 8000 that results in 52960000

= 54416400
