Alright, let's work through 9489 times 9154 step by step
9489 × 9154 = 9154 × (9489)
+ 9154 × 9 that is equal 82386
+ 9154 × 80 that is equal 732320
+ 9154 × 400 that is equal 3661600
+ 9154 × 9000 yielding 82386000

= 86862306
