Alright, let's work through 1545 times 9920 step by step
1545 × 9920 = 9920 × (1545)
+ 9920 × 5 resulting in 49600
+ 9920 × 40 yielding 396800
+ 9920 × 500 giving us 4960000
+ 9920 × 1000 yielding 9920000

= 15326400
