Alright, let's work through 4156 times 3974 step by step
4156 × 3974 = 3974 × (4156)
+ 3974 × 6 that is equal 23844
+ 3974 × 50 producing 198700
+ 3974 × 100 giving us 397400
+ 3974 × 4000 yielding 15896000

= 16515944
