Alright, let's work through 5017 times 104 step by step
5017 × 104 = 104 × (5017)
+ 104 × 7 giving us 728
+ 104 × 10 giving us 1040
+ 104 × 000 that results in 0
+ 104 × 5000 that is equal 520000

= 521768
