Alright, let's work through 8436 times 9533 step by step
8436 × 9533 = 9533 × (8436)
+ 9533 × 6 what gives us 57198
+ 9533 × 30 yielding 285990
+ 9533 × 400 that results in 3813200
+ 9533 × 8000 producing 76264000

= 80420388
