We're going to solve 2819 multiplied by 4345
2819 × 4345 = 4345 × (2819)
+ 4345 × 9 resulting in 39105
+ 4345 × 10 what gives us 43450
+ 4345 × 800 giving us 3476000
+ 4345 × 2000 resulting in 8690000

= 12248555
