We're going to solve 6366 multiplied by 1680
6366 × 1680 = 1680 × (6366)
+ 1680 × 6 what gives us 10080
+ 1680 × 60 yielding 100800
+ 1680 × 300 that equals 504000
+ 1680 × 6000 producing 10080000

= 10694880
