Alright, let's work through 2003 times 7321 step by step
2003 × 7321 = 7321 × (2003)
+ 7321 × 3 yielding 21963
+ 7321 × 00 what gives us 0
+ 7321 × 000 yielding 0
+ 7321 × 2000 resulting in 14642000

= 14663963
