Alright, let's work through 4328 times 5081 step by step
4328 × 5081 = 5081 × (4328)
+ 5081 × 8 giving us 40648
+ 5081 × 20 yielding 101620
+ 5081 × 300 what gives us 1524300
+ 5081 × 4000 producing 20324000

= 21990568
