Alright, let's work through 8347 times 1003 step by step
8347 × 1003 = 1003 × (8347)
+ 1003 × 7 yielding 7021
+ 1003 × 40 what gives us 40120
+ 1003 × 300 producing 300900
+ 1003 × 8000 giving us 8024000

= 8372041
