Alright, let's work through 3865 times 943 step by step
3865 × 943 = 943 × (3865)
+ 943 × 5 what gives us 4715
+ 943 × 60 giving us 56580
+ 943 × 800 that results in 754400
+ 943 × 3000 producing 2829000

= 3644695
