Alright, let's work through 9729 times 8793 step by step
9729 × 8793 = 8793 × (9729)
+ 8793 × 9 which equals 79137
+ 8793 × 20 resulting in 175860
+ 8793 × 700 giving us 6155100
+ 8793 × 9000 giving us 79137000

= 85547097
