Alright, let's work through 3012 times 4146 step by step
3012 × 4146 = 4146 × (3012)
+ 4146 × 2 yielding 8292
+ 4146 × 10 that equals 41460
+ 4146 × 000 which equals 0
+ 4146 × 3000 yielding 12438000

= 12487752
