Alright, let's work through 9163 times 8722 step by step
9163 × 8722 = 8722 × (9163)
+ 8722 × 3 giving us 26166
+ 8722 × 60 that equals 523320
+ 8722 × 100 which equals 872200
+ 8722 × 9000 that equals 78498000

= 79919686
