Alright, let's work through 3021 times 4149 step by step
3021 × 4149 = 4149 × (3021)
+ 4149 × 1 resulting in 4149
+ 4149 × 20 yielding 82980
+ 4149 × 000 which equals 0
+ 4149 × 3000 what gives us 12447000

= 12534129
