Alright, let's work through 1545 times 1678 step by step
1545 × 1678 = 1678 × (1545)
+ 1678 × 5 resulting in 8390
+ 1678 × 40 producing 67120
+ 1678 × 500 that equals 839000
+ 1678 × 1000 yielding 1678000

= 2592510
