Alright, let's work through 1228 times 3429 step by step
1228 × 3429 = 3429 × (1228)
+ 3429 × 8 what gives us 27432
+ 3429 × 20 yielding 68580
+ 3429 × 200 resulting in 685800
+ 3429 × 1000 giving us 3429000

= 4210812
