No problem, we've got 6400 and 6682 to multiply
6400 × 6682 = 6682 × (6400)
+ 6682 × 0 yielding 0
+ 6682 × 00 resulting in 0
+ 6682 × 400 what gives us 2672800
+ 6682 × 6000 that is equal 40092000

= 42764800
