Alright, let's work through 2890 times 5851 step by step
2890 × 5851 = 5851 × (2890)
+ 5851 × 0 yielding 0
+ 5851 × 90 yielding 526590
+ 5851 × 800 producing 4680800
+ 5851 × 2000 that equals 11702000

= 16909390
