Alright, let's work through 3248 times 6445 step by step
3248 × 6445 = 6445 × (3248)
+ 6445 × 8 producing 51560
+ 6445 × 40 yielding 257800
+ 6445 × 200 giving us 1289000
+ 6445 × 3000 producing 19335000

= 20933360
