Alright, let's work through 3883 times 3609 step by step
3883 × 3609 = 3609 × (3883)
+ 3609 × 3 what gives us 10827
+ 3609 × 80 producing 288720
+ 3609 × 800 that equals 2887200
+ 3609 × 3000 yielding 10827000

= 14013747
