No problem, we've got 6385 and 8100 to multiply
6385 × 8100 = 8100 × (6385)
+ 8100 × 5 that results in 40500
+ 8100 × 80 that equals 648000
+ 8100 × 300 which equals 2430000
+ 8100 × 6000 resulting in 48600000

= 51718500
