Alright, let's work through 6828 times 2561 step by step
6828 × 2561 = 2561 × (6828)
+ 2561 × 8 yielding 20488
+ 2561 × 20 yielding 51220
+ 2561 × 800 that is equal 2048800
+ 2561 × 6000 producing 15366000

= 17486508
