Alright, let's work through 9220 times 8672 step by step
9220 × 8672 = 8672 × (9220)
+ 8672 × 0 yielding 0
+ 8672 × 20 what gives us 173440
+ 8672 × 200 that results in 1734400
+ 8672 × 9000 what gives us 78048000

= 79955840
