No problem, we've got 4109 and 5057 to multiply
4109 × 5057 = 5057 × (4109)
+ 5057 × 9 yielding 45513
+ 5057 × 00 yielding 0
+ 5057 × 100 that is equal 505700
+ 5057 × 4000 yielding 20228000

= 20779213
