Alright, let's work through 8678 times 8977 step by step
8678 × 8977 = 8977 × (8678)
+ 8977 × 8 giving us 71816
+ 8977 × 70 what gives us 628390
+ 8977 × 600 that equals 5386200
+ 8977 × 8000 which equals 71816000

= 77902406
