Alright, let's work through 2401 times 6315 step by step
2401 × 6315 = 6315 × (2401)
+ 6315 × 1 producing 6315
+ 6315 × 00 what gives us 0
+ 6315 × 400 that equals 2526000
+ 6315 × 2000 what gives us 12630000

= 15162315
