Alright, let's work through 3109 times 9190 step by step
3109 × 9190 = 9190 × (3109)
+ 9190 × 9 producing 82710
+ 9190 × 00 what gives us 0
+ 9190 × 100 what gives us 919000
+ 9190 × 3000 yielding 27570000

= 28571710
