Alright, let's work through 3158 times 9465 step by step
3158 × 9465 = 9465 × (3158)
+ 9465 × 8 yielding 75720
+ 9465 × 50 producing 473250
+ 9465 × 100 producing 946500
+ 9465 × 3000 that equals 28395000

= 29890470
