Alright, let's work through 4422 times 5421 step by step
4422 × 5421 = 5421 × (4422)
+ 5421 × 2 yielding 10842
+ 5421 × 20 yielding 108420
+ 5421 × 400 what gives us 2168400
+ 5421 × 4000 giving us 21684000

= 23971662
