Alright, let's work through 1624 times 923 step by step
1624 × 923 = 923 × (1624)
+ 923 × 4 what gives us 3692
+ 923 × 20 what gives us 18460
+ 923 × 600 that results in 553800
+ 923 × 1000 yielding 923000

= 1498952
