Alright, let's work through 3865 times 8206 step by step
3865 × 8206 = 8206 × (3865)
+ 8206 × 5 what gives us 41030
+ 8206 × 60 producing 492360
+ 8206 × 800 that is equal 6564800
+ 8206 × 3000 that equals 24618000

= 31716190
