Alright, let's work through 8581 times 9028 step by step
8581 × 9028 = 9028 × (8581)
+ 9028 × 1 that equals 9028
+ 9028 × 80 that is equal 722240
+ 9028 × 500 giving us 4514000
+ 9028 × 8000 which equals 72224000

= 77469268
