Alright, let's work through 9117 times 9812 step by step
9117 × 9812 = 9812 × (9117)
+ 9812 × 7 yielding 68684
+ 9812 × 10 that equals 98120
+ 9812 × 100 which equals 981200
+ 9812 × 9000 yielding 88308000

= 89456004
