Alright, let's work through 6111 times 3361 step by step
6111 × 3361 = 3361 × (6111)
+ 3361 × 1 that is equal 3361
+ 3361 × 10 yielding 33610
+ 3361 × 100 that results in 336100
+ 3361 × 6000 what gives us 20166000

= 20539071
