Alright, let's work through 9992 times 8626 step by step
9992 × 8626 = 8626 × (9992)
+ 8626 × 2 giving us 17252
+ 8626 × 90 which equals 776340
+ 8626 × 900 that is equal 7763400
+ 8626 × 9000 yielding 77634000

= 86190992
