Alright, let's work through 9825 times 4036 step by step
9825 × 4036 = 4036 × (9825)
+ 4036 × 5 that is equal 20180
+ 4036 × 20 yielding 80720
+ 4036 × 800 what gives us 3228800
+ 4036 × 9000 yielding 36324000

= 39653700
