Alright, let's work through 3915 times 6513 step by step
3915 × 6513 = 6513 × (3915)
+ 6513 × 5 what gives us 32565
+ 6513 × 10 giving us 65130
+ 6513 × 900 resulting in 5861700
+ 6513 × 3000 what gives us 19539000

= 25498395
