Alright, let's work through 4812 times 421 step by step
4812 × 421 = 421 × (4812)
+ 421 × 2 that equals 842
+ 421 × 10 resulting in 4210
+ 421 × 800 that is equal 336800
+ 421 × 4000 that equals 1684000

= 2025852
