We're going to solve 6444 multiplied by 7081
6444 × 7081 = 7081 × (6444)
+ 7081 × 4 giving us 28324
+ 7081 × 40 which equals 283240
+ 7081 × 400 that equals 2832400
+ 7081 × 6000 giving us 42486000

= 45629964
