We're going to solve 2823 multiplied by 4380
2823 × 4380 = 4380 × (2823)
+ 4380 × 3 that results in 13140
+ 4380 × 20 what gives us 87600
+ 4380 × 800 producing 3504000
+ 4380 × 2000 that results in 8760000

= 12364740
