Alright, let's work through 1859 times 3680 step by step
1859 × 3680 = 3680 × (1859)
+ 3680 × 9 resulting in 33120
+ 3680 × 50 that equals 184000
+ 3680 × 800 which equals 2944000
+ 3680 × 1000 yielding 3680000

= 6841120
