Alright, let's work through 1678 times 8736 step by step
1678 × 8736 = 8736 × (1678)
+ 8736 × 8 yielding 69888
+ 8736 × 70 what gives us 611520
+ 8736 × 600 what gives us 5241600
+ 8736 × 1000 giving us 8736000

= 14659008
