Alright, let's work through 2203 times 5605 step by step
2203 × 5605 = 5605 × (2203)
+ 5605 × 3 giving us 16815
+ 5605 × 00 resulting in 0
+ 5605 × 200 that equals 1121000
+ 5605 × 2000 resulting in 11210000

= 12347815
