Alright, let's work through 3356 times 3988 step by step
3356 × 3988 = 3988 × (3356)
+ 3988 × 6 that equals 23928
+ 3988 × 50 yielding 199400
+ 3988 × 300 producing 1196400
+ 3988 × 3000 producing 11964000

= 13383728
