Alright, let's work through 3215 times 4023 step by step
3215 × 4023 = 4023 × (3215)
+ 4023 × 5 that results in 20115
+ 4023 × 10 yielding 40230
+ 4023 × 200 giving us 804600
+ 4023 × 3000 what gives us 12069000

= 12933945
