Alright, let's work through 3165 times 731 step by step
3165 × 731 = 731 × (3165)
+ 731 × 5 yielding 3655
+ 731 × 60 giving us 43860
+ 731 × 100 which equals 73100
+ 731 × 3000 which equals 2193000

= 2313615
