Alright, let's work through 4809 times 869 step by step
4809 × 869 = 869 × (4809)
+ 869 × 9 what gives us 7821
+ 869 × 00 yielding 0
+ 869 × 800 yielding 695200
+ 869 × 4000 that equals 3476000

= 4179021
