Alright, let's work through 8678 times 6243 step by step
8678 × 6243 = 6243 × (8678)
+ 6243 × 8 which equals 49944
+ 6243 × 70 that equals 437010
+ 6243 × 600 what gives us 3745800
+ 6243 × 8000 giving us 49944000

= 54176754
