Alright, let's work through 8359 times 2553 step by step
8359 × 2553 = 2553 × (8359)
+ 2553 × 9 giving us 22977
+ 2553 × 50 yielding 127650
+ 2553 × 300 yielding 765900
+ 2553 × 8000 that is equal 20424000

= 21340527
