Alright, let's work through 9897 times 8193 step by step
9897 × 8193 = 8193 × (9897)
+ 8193 × 7 producing 57351
+ 8193 × 90 giving us 737370
+ 8193 × 800 resulting in 6554400
+ 8193 × 9000 that equals 73737000

= 81086121
