Alright, let's work through 2472 times 9421 step by step
2472 × 9421 = 9421 × (2472)
+ 9421 × 2 giving us 18842
+ 9421 × 70 which equals 659470
+ 9421 × 400 resulting in 3768400
+ 9421 × 2000 giving us 18842000

= 23288712
