We're going to solve 9200 multiplied by 2121
9200 × 2121 = 2121 × (9200)
+ 2121 × 0 producing 0
+ 2121 × 00 which equals 0
+ 2121 × 200 yielding 424200
+ 2121 × 9000 resulting in 19089000

= 19513200
