Alright, let's work through 6728 times 3775 step by step
6728 × 3775 = 3775 × (6728)
+ 3775 × 8 which equals 30200
+ 3775 × 20 yielding 75500
+ 3775 × 700 giving us 2642500
+ 3775 × 6000 yielding 22650000

= 25398200
