Alright, let's work through 5885 times 8517 step by step
5885 × 8517 = 8517 × (5885)
+ 8517 × 5 producing 42585
+ 8517 × 80 what gives us 681360
+ 8517 × 800 which equals 6813600
+ 8517 × 5000 producing 42585000

= 50122545
