Alright, let's work through 5010 times 4321 step by step
5010 × 4321 = 4321 × (5010)
+ 4321 × 0 which equals 0
+ 4321 × 10 what gives us 43210
+ 4321 × 000 yielding 0
+ 4321 × 5000 that results in 21605000

= 21648210
