Alright, let's work through 2724 times 1623 step by step
2724 × 1623 = 1623 × (2724)
+ 1623 × 4 giving us 6492
+ 1623 × 20 that equals 32460
+ 1623 × 700 resulting in 1136100
+ 1623 × 2000 that results in 3246000

= 4421052
