Alright, let's work through 3100 times 2939 step by step
3100 × 2939 = 2939 × (3100)
+ 2939 × 0 giving us 0
+ 2939 × 00 yielding 0
+ 2939 × 100 giving us 293900
+ 2939 × 3000 what gives us 8817000

= 9110900
