Alright, let's work through 8133 times 8470 step by step
8133 × 8470 = 8470 × (8133)
+ 8470 × 3 giving us 25410
+ 8470 × 30 that is equal 254100
+ 8470 × 100 that is equal 847000
+ 8470 × 8000 yielding 67760000

= 68886510
