No problem, we've got 4170 and 4084 to multiply
4170 × 4084 = 4084 × (4170)
+ 4084 × 0 yielding 0
+ 4084 × 70 producing 285880
+ 4084 × 100 that is equal 408400
+ 4084 × 4000 producing 16336000

= 17030280
