Alright, let's work through 3109 times 9031 step by step
3109 × 9031 = 9031 × (3109)
+ 9031 × 9 resulting in 81279
+ 9031 × 00 giving us 0
+ 9031 × 100 that results in 903100
+ 9031 × 3000 which equals 27093000

= 28077379
