Alright, let's work through 8230 times 2570 step by step
8230 × 2570 = 2570 × (8230)
+ 2570 × 0 which equals 0
+ 2570 × 30 which equals 77100
+ 2570 × 200 what gives us 514000
+ 2570 × 8000 yielding 20560000

= 21151100
