Alright, let's work through 4207 times 4017 step by step
4207 × 4017 = 4017 × (4207)
+ 4017 × 7 giving us 28119
+ 4017 × 00 which equals 0
+ 4017 × 200 that is equal 803400
+ 4017 × 4000 giving us 16068000

= 16899519
