Alright, let's work through 4083 times 2836 step by step
4083 × 2836 = 2836 × (4083)
+ 2836 × 3 that results in 8508
+ 2836 × 80 giving us 226880
+ 2836 × 000 producing 0
+ 2836 × 4000 yielding 11344000

= 11579388
