Alright, let's work through 3100 times 7103 step by step
3100 × 7103 = 7103 × (3100)
+ 7103 × 0 which equals 0
+ 7103 × 00 resulting in 0
+ 7103 × 100 that results in 710300
+ 7103 × 3000 producing 21309000

= 22019300
