Alright, let's work through 2494 times 8158 step by step
2494 × 8158 = 8158 × (2494)
+ 8158 × 4 giving us 32632
+ 8158 × 90 yielding 734220
+ 8158 × 400 yielding 3263200
+ 8158 × 2000 yielding 16316000

= 20346052
