No problem, we've got 5078 and 4107 to multiply
5078 × 4107 = 4107 × (5078)
+ 4107 × 8 yielding 32856
+ 4107 × 70 producing 287490
+ 4107 × 000 that is equal 0
+ 4107 × 5000 that results in 20535000

= 20855346
