Alright, let's work through 8520 times 9379 step by step
8520 × 9379 = 9379 × (8520)
+ 9379 × 0 what gives us 0
+ 9379 × 20 that results in 187580
+ 9379 × 500 yielding 4689500
+ 9379 × 8000 what gives us 75032000

= 79909080
