We're going to solve 8409 multiplied by 9120
8409 × 9120 = 9120 × (8409)
+ 9120 × 9 that is equal 82080
+ 9120 × 00 producing 0
+ 9120 × 400 that equals 3648000
+ 9120 × 8000 that results in 72960000

= 76690080
