Alright, let's work through 4494 times 4107 step by step
4494 × 4107 = 4107 × (4494)
+ 4107 × 4 that results in 16428
+ 4107 × 90 which equals 369630
+ 4107 × 400 which equals 1642800
+ 4107 × 4000 which equals 16428000

= 18456858
