We're going to solve 6440 multiplied by 4083
6440 × 4083 = 4083 × (6440)
+ 4083 × 0 that equals 0
+ 4083 × 40 giving us 163320
+ 4083 × 400 that results in 1633200
+ 4083 × 6000 resulting in 24498000

= 26294520
