Alright, let's work through 3128 times 4407 step by step
3128 × 4407 = 4407 × (3128)
+ 4407 × 8 that equals 35256
+ 4407 × 20 that is equal 88140
+ 4407 × 100 that equals 440700
+ 4407 × 3000 producing 13221000

= 13785096
