Alright, let's work through 8191 times 2305 step by step
8191 × 2305 = 2305 × (8191)
+ 2305 × 1 giving us 2305
+ 2305 × 90 that equals 207450
+ 2305 × 100 what gives us 230500
+ 2305 × 8000 yielding 18440000

= 18880255
