We're going to solve 4060 multiplied by 3963
4060 × 3963 = 3963 × (4060)
+ 3963 × 0 what gives us 0
+ 3963 × 60 resulting in 237780
+ 3963 × 000 which equals 0
+ 3963 × 4000 what gives us 15852000

= 16089780
