No problem, we've got 6483 and 6720 to multiply
6483 × 6720 = 6720 × (6483)
+ 6720 × 3 resulting in 20160
+ 6720 × 80 yielding 537600
+ 6720 × 400 that is equal 2688000
+ 6720 × 6000 resulting in 40320000

= 43565760
