Alright, let's work through 8999 times 9807 step by step
8999 × 9807 = 9807 × (8999)
+ 9807 × 9 what gives us 88263
+ 9807 × 90 that is equal 882630
+ 9807 × 900 that is equal 8826300
+ 9807 × 8000 producing 78456000

= 88253193
