We're going to solve 1280 multiplied by 3865
1280 × 3865 = 3865 × (1280)
+ 3865 × 0 that equals 0
+ 3865 × 80 that results in 309200
+ 3865 × 200 that results in 773000
+ 3865 × 1000 that results in 3865000

= 4947200
