Alright, let's work through 3858 times 26 step by step
3858 × 26 = 26 × (3858)
+ 26 × 8 yielding 208
+ 26 × 50 that results in 1300
+ 26 × 800 that is equal 20800
+ 26 × 3000 that equals 78000

= 100308
