Alright, let's work through 8158 times 2870 step by step
8158 × 2870 = 2870 × (8158)
+ 2870 × 8 that results in 22960
+ 2870 × 50 giving us 143500
+ 2870 × 100 that results in 287000
+ 2870 × 8000 giving us 22960000

= 23413460
