We're going to solve 8120 multiplied by 8772
8120 × 8772 = 8772 × (8120)
+ 8772 × 0 which equals 0
+ 8772 × 20 which equals 175440
+ 8772 × 100 resulting in 877200
+ 8772 × 8000 resulting in 70176000

= 71228640
