No problem, we've got 1263 and 4505 to multiply
1263 × 4505 = 4505 × (1263)
+ 4505 × 3 which equals 13515
+ 4505 × 60 yielding 270300
+ 4505 × 200 resulting in 901000
+ 4505 × 1000 giving us 4505000

= 5689815
