Alright, let's work through 1861 times 4462 step by step
1861 × 4462 = 4462 × (1861)
+ 4462 × 1 that results in 4462
+ 4462 × 60 resulting in 267720
+ 4462 × 800 that results in 3569600
+ 4462 × 1000 that equals 4462000

= 8303782
