Alright, let's work through 3161 times 6180 step by step
3161 × 6180 = 6180 × (3161)
+ 6180 × 1 that results in 6180
+ 6180 × 60 resulting in 370800
+ 6180 × 100 yielding 618000
+ 6180 × 3000 which equals 18540000

= 19534980
