No problem, we've got 4391 and 6395 to multiply
4391 × 6395 = 6395 × (4391)
+ 6395 × 1 that equals 6395
+ 6395 × 90 producing 575550
+ 6395 × 300 which equals 1918500
+ 6395 × 4000 resulting in 25580000

= 28080445
