Alright, let's work through 6605 times 903 step by step
6605 × 903 = 903 × (6605)
+ 903 × 5 giving us 4515
+ 903 × 00 that equals 0
+ 903 × 600 that equals 541800
+ 903 × 6000 which equals 5418000

= 5964315
