Alright, let's work through 4430 times 4878 step by step
4430 × 4878 = 4878 × (4430)
+ 4878 × 0 what gives us 0
+ 4878 × 30 resulting in 146340
+ 4878 × 400 that results in 1951200
+ 4878 × 4000 producing 19512000

= 21609540
