Alright, let's work through 9099 times 1079 step by step
9099 × 1079 = 1079 × (9099)
+ 1079 × 9 which equals 9711
+ 1079 × 90 that equals 97110
+ 1079 × 000 that equals 0
+ 1079 × 9000 yielding 9711000

= 9817821
