Alright, let's work through 3853 times 880 step by step
3853 × 880 = 880 × (3853)
+ 880 × 3 producing 2640
+ 880 × 50 which equals 44000
+ 880 × 800 what gives us 704000
+ 880 × 3000 what gives us 2640000

= 3390640
