Alright, let's work through 9211 times 9643 step by step
9211 × 9643 = 9643 × (9211)
+ 9643 × 1 resulting in 9643
+ 9643 × 10 that equals 96430
+ 9643 × 200 yielding 1928600
+ 9643 × 9000 resulting in 86787000

= 88821673
