Alright, let's work through 8424 times 9400 step by step
8424 × 9400 = 9400 × (8424)
+ 9400 × 4 giving us 37600
+ 9400 × 20 that results in 188000
+ 9400 × 400 resulting in 3760000
+ 9400 × 8000 which equals 75200000

= 79185600
