Alright, let's work through 1385 times 8158 step by step
1385 × 8158 = 8158 × (1385)
+ 8158 × 5 that is equal 40790
+ 8158 × 80 producing 652640
+ 8158 × 300 yielding 2447400
+ 8158 × 1000 which equals 8158000

= 11298830
