No problem, we've got 5489 and 6639 to multiply
5489 × 6639 = 6639 × (5489)
+ 6639 × 9 yielding 59751
+ 6639 × 80 what gives us 531120
+ 6639 × 400 that results in 2655600
+ 6639 × 5000 resulting in 33195000

= 36441471
