Alright, let's work through 1854 times 3622 step by step
1854 × 3622 = 3622 × (1854)
+ 3622 × 4 what gives us 14488
+ 3622 × 50 producing 181100
+ 3622 × 800 resulting in 2897600
+ 3622 × 1000 yielding 3622000

= 6715188
