Alright, let's work through 3665 times 3086 step by step
3665 × 3086 = 3086 × (3665)
+ 3086 × 5 yielding 15430
+ 3086 × 60 which equals 185160
+ 3086 × 600 what gives us 1851600
+ 3086 × 3000 producing 9258000

= 11310190
