Alright, let's work through 2729 times 1861 step by step
2729 × 1861 = 1861 × (2729)
+ 1861 × 9 what gives us 16749
+ 1861 × 20 resulting in 37220
+ 1861 × 700 that results in 1302700
+ 1861 × 2000 producing 3722000

= 5078669
