Alright, let's work through 2458 times 7873 step by step
2458 × 7873 = 7873 × (2458)
+ 7873 × 8 that equals 62984
+ 7873 × 50 which equals 393650
+ 7873 × 400 that equals 3149200
+ 7873 × 2000 yielding 15746000

= 19351834
