We're going to solve 4102 multiplied by 3021
4102 × 3021 = 3021 × (4102)
+ 3021 × 2 what gives us 6042
+ 3021 × 00 that is equal 0
+ 3021 × 100 producing 302100
+ 3021 × 4000 what gives us 12084000

= 12392142
