Alright, let's work through 4421 times 3939 step by step
4421 × 3939 = 3939 × (4421)
+ 3939 × 1 what gives us 3939
+ 3939 × 20 resulting in 78780
+ 3939 × 400 resulting in 1575600
+ 3939 × 4000 that results in 15756000

= 17414319
