No problem, we've got 6447 and 8238 to multiply
6447 × 8238 = 8238 × (6447)
+ 8238 × 7 giving us 57666
+ 8238 × 40 that is equal 329520
+ 8238 × 400 producing 3295200
+ 8238 × 6000 what gives us 49428000

= 53110386
