We're going to solve 8077 multiplied by 2509
8077 × 2509 = 2509 × (8077)
+ 2509 × 7 producing 17563
+ 2509 × 70 that is equal 175630
+ 2509 × 000 giving us 0
+ 2509 × 8000 giving us 20072000

= 20265193
