No problem, we've got 1603 and 5535 to multiply
1603 × 5535 = 5535 × (1603)
+ 5535 × 3 producing 16605
+ 5535 × 00 giving us 0
+ 5535 × 600 yielding 3321000
+ 5535 × 1000 giving us 5535000

= 8872605
