Alright, let's work through 4012 times 4985 step by step
4012 × 4985 = 4985 × (4012)
+ 4985 × 2 resulting in 9970
+ 4985 × 10 which equals 49850
+ 4985 × 000 yielding 0
+ 4985 × 4000 giving us 19940000

= 19999820
