We're going to solve 2378 multiplied by 1581
2378 × 1581 = 1581 × (2378)
+ 1581 × 8 giving us 12648
+ 1581 × 70 that equals 110670
+ 1581 × 300 yielding 474300
+ 1581 × 2000 producing 3162000

= 3759618
