Alright, let's work through 2170 times 8739 step by step
2170 × 8739 = 8739 × (2170)
+ 8739 × 0 producing 0
+ 8739 × 70 resulting in 611730
+ 8739 × 100 which equals 873900
+ 8739 × 2000 giving us 17478000

= 18963630
