We're going to solve 1680 multiplied by 8820
1680 × 8820 = 8820 × (1680)
+ 8820 × 0 yielding 0
+ 8820 × 80 that results in 705600
+ 8820 × 600 that is equal 5292000
+ 8820 × 1000 producing 8820000

= 14817600
