Alright, let's work through 2911 times 2090 step by step
2911 × 2090 = 2090 × (2911)
+ 2090 × 1 resulting in 2090
+ 2090 × 10 yielding 20900
+ 2090 × 900 yielding 1881000
+ 2090 × 2000 that results in 4180000

= 6083990
