We're going to solve 4221 multiplied by 1811
4221 × 1811 = 1811 × (4221)
+ 1811 × 1 that equals 1811
+ 1811 × 20 giving us 36220
+ 1811 × 200 producing 362200
+ 1811 × 4000 yielding 7244000

= 7644231
