We're going to solve 2780 multiplied by 4378
2780 × 4378 = 4378 × (2780)
+ 4378 × 0 resulting in 0
+ 4378 × 80 producing 350240
+ 4378 × 700 that is equal 3064600
+ 4378 × 2000 that results in 8756000

= 12170840
