Alright, let's work through 8500 times 9970 step by step
8500 × 9970 = 9970 × (8500)
+ 9970 × 0 resulting in 0
+ 9970 × 00 giving us 0
+ 9970 × 500 producing 4985000
+ 9970 × 8000 yielding 79760000

= 84745000
