Alright, let's work through 2315 times 6443 step by step
2315 × 6443 = 6443 × (2315)
+ 6443 × 5 resulting in 32215
+ 6443 × 10 resulting in 64430
+ 6443 × 300 resulting in 1932900
+ 6443 × 2000 what gives us 12886000

= 14915545
