No problem, we've got 3449 and 5923 to multiply
3449 × 5923 = 5923 × (3449)
+ 5923 × 9 that is equal 53307
+ 5923 × 40 resulting in 236920
+ 5923 × 400 yielding 2369200
+ 5923 × 3000 resulting in 17769000

= 20428427
