Alright, let's work through 2398 times 9123 step by step
2398 × 9123 = 9123 × (2398)
+ 9123 × 8 producing 72984
+ 9123 × 90 what gives us 821070
+ 9123 × 300 giving us 2736900
+ 9123 × 2000 giving us 18246000

= 21876954
