Alright, let's work through 3921 times 4756 step by step
3921 × 4756 = 4756 × (3921)
+ 4756 × 1 producing 4756
+ 4756 × 20 that equals 95120
+ 4756 × 900 giving us 4280400
+ 4756 × 3000 yielding 14268000

= 18648276
