Alright, let's work through 9621 times 9010 step by step
9621 × 9010 = 9010 × (9621)
+ 9010 × 1 producing 9010
+ 9010 × 20 yielding 180200
+ 9010 × 600 what gives us 5406000
+ 9010 × 9000 resulting in 81090000

= 86685210
