We're going to solve 3941 multiplied by 4221
3941 × 4221 = 4221 × (3941)
+ 4221 × 1 giving us 4221
+ 4221 × 40 what gives us 168840
+ 4221 × 900 yielding 3798900
+ 4221 × 3000 yielding 12663000

= 16634961
