Alright, let's work through 4276 times 4407 step by step
4276 × 4407 = 4407 × (4276)
+ 4407 × 6 producing 26442
+ 4407 × 70 what gives us 308490
+ 4407 × 200 producing 881400
+ 4407 × 4000 that is equal 17628000

= 18844332
