Alright, let's work through 4322 times 3779 step by step
4322 × 3779 = 3779 × (4322)
+ 3779 × 2 that results in 7558
+ 3779 × 20 that results in 75580
+ 3779 × 300 giving us 1133700
+ 3779 × 4000 what gives us 15116000

= 16332838
