No problem, we've got 6395 and 107 to multiply
6395 × 107 = 107 × (6395)
+ 107 × 5 what gives us 535
+ 107 × 90 that results in 9630
+ 107 × 300 that results in 32100
+ 107 × 6000 what gives us 642000

= 684265
