We're going to solve 3921 multiplied by 1100
3921 × 1100 = 1100 × (3921)
+ 1100 × 1 producing 1100
+ 1100 × 20 resulting in 22000
+ 1100 × 900 producing 990000
+ 1100 × 3000 that equals 3300000

= 4313100
