Alright, let's work through 2558 times 4578 step by step
2558 × 4578 = 4578 × (2558)
+ 4578 × 8 resulting in 36624
+ 4578 × 50 that results in 228900
+ 4578 × 500 that equals 2289000
+ 4578 × 2000 giving us 9156000

= 11710524
