We're going to solve 2171 multiplied by 8520
2171 × 8520 = 8520 × (2171)
+ 8520 × 1 producing 8520
+ 8520 × 70 producing 596400
+ 8520 × 100 resulting in 852000
+ 8520 × 2000 producing 17040000

= 18496920
