Alright, let's work through 3611 times 4468 step by step
3611 × 4468 = 4468 × (3611)
+ 4468 × 1 giving us 4468
+ 4468 × 10 yielding 44680
+ 4468 × 600 yielding 2680800
+ 4468 × 3000 producing 13404000

= 16133948
