Alright, let's work through 7172 times 3154 step by step
7172 × 3154 = 3154 × (7172)
+ 3154 × 2 that equals 6308
+ 3154 × 70 yielding 220780
+ 3154 × 100 that equals 315400
+ 3154 × 7000 producing 22078000

= 22620488
