Alright, let's work through 3115 times 7827 step by step
3115 × 7827 = 7827 × (3115)
+ 7827 × 5 which equals 39135
+ 7827 × 10 which equals 78270
+ 7827 × 100 giving us 782700
+ 7827 × 3000 yielding 23481000

= 24381105
