Alright, let's work through 1943 times 1855 step by step
1943 × 1855 = 1855 × (1943)
+ 1855 × 3 which equals 5565
+ 1855 × 40 that equals 74200
+ 1855 × 900 resulting in 1669500
+ 1855 × 1000 giving us 1855000

= 3604265
