We're going to solve 3991 multiplied by 3442
3991 × 3442 = 3442 × (3991)
+ 3442 × 1 that equals 3442
+ 3442 × 90 producing 309780
+ 3442 × 900 yielding 3097800
+ 3442 × 3000 that equals 10326000

= 13737022
