Alright, let's work through 2823 times 1579 step by step
2823 × 1579 = 1579 × (2823)
+ 1579 × 3 that is equal 4737
+ 1579 × 20 yielding 31580
+ 1579 × 800 resulting in 1263200
+ 1579 × 2000 which equals 3158000

= 4457517
