We're going to solve 3580 multiplied by 3427
3580 × 3427 = 3427 × (3580)
+ 3427 × 0 that results in 0
+ 3427 × 80 that equals 274160
+ 3427 × 500 giving us 1713500
+ 3427 × 3000 resulting in 10281000

= 12268660
