We're going to solve 3128 multiplied by 6691
3128 × 6691 = 6691 × (3128)
+ 6691 × 8 that equals 53528
+ 6691 × 20 producing 133820
+ 6691 × 100 which equals 669100
+ 6691 × 3000 resulting in 20073000

= 20929448
