Alright, let's work through 3248 times 4145 step by step
3248 × 4145 = 4145 × (3248)
+ 4145 × 8 yielding 33160
+ 4145 × 40 that results in 165800
+ 4145 × 200 that is equal 829000
+ 4145 × 3000 yielding 12435000

= 13462960
