No problem, we've got 5605 and 3903 to multiply
5605 × 3903 = 3903 × (5605)
+ 3903 × 5 resulting in 19515
+ 3903 × 00 that results in 0
+ 3903 × 600 resulting in 2341800
+ 3903 × 5000 that equals 19515000

= 21876315
