Alright, let's work through 4158 times 9822 step by step
4158 × 9822 = 9822 × (4158)
+ 9822 × 8 yielding 78576
+ 9822 × 50 what gives us 491100
+ 9822 × 100 that is equal 982200
+ 9822 × 4000 yielding 39288000

= 40839876
