Alright, let's work through 2782 times 4210 step by step
2782 × 4210 = 4210 × (2782)
+ 4210 × 2 that equals 8420
+ 4210 × 80 that results in 336800
+ 4210 × 700 that results in 2947000
+ 4210 × 2000 yielding 8420000

= 11712220
