Alright, let's work through 2504 times 8255 step by step
2504 × 8255 = 8255 × (2504)
+ 8255 × 4 producing 33020
+ 8255 × 00 what gives us 0
+ 8255 × 500 yielding 4127500
+ 8255 × 2000 resulting in 16510000

= 20670520
