Alright, let's work through 3963 times 5609 step by step
3963 × 5609 = 5609 × (3963)
+ 5609 × 3 that equals 16827
+ 5609 × 60 yielding 336540
+ 5609 × 900 producing 5048100
+ 5609 × 3000 yielding 16827000

= 22228467
