Alright, let's work through 8414 times 8647 step by step
8414 × 8647 = 8647 × (8414)
+ 8647 × 4 what gives us 34588
+ 8647 × 10 which equals 86470
+ 8647 × 400 what gives us 3458800
+ 8647 × 8000 giving us 69176000

= 72755858
