Alright, let's work through 4638 times 5122 step by step
4638 × 5122 = 5122 × (4638)
+ 5122 × 8 yielding 40976
+ 5122 × 30 that is equal 153660
+ 5122 × 600 what gives us 3073200
+ 5122 × 4000 producing 20488000

= 23755836
