No problem, we've got 5109 and 6639 to multiply
5109 × 6639 = 6639 × (5109)
+ 6639 × 9 which equals 59751
+ 6639 × 00 producing 0
+ 6639 × 100 which equals 663900
+ 6639 × 5000 that is equal 33195000

= 33918651
