Alright, let's work through 1923 times 4480 step by step
1923 × 4480 = 4480 × (1923)
+ 4480 × 3 giving us 13440
+ 4480 × 20 resulting in 89600
+ 4480 × 900 yielding 4032000
+ 4480 × 1000 that equals 4480000

= 8615040
