find cube of a number

Use formula (a+b)³= a³ + 3a²b + 3ab² + b³

 Find the cube of 23

(2+3)³=2³+ (3×2²x3) + (3x2x3²) + 3³

          = 8+ 36 +54 + 27

Now put the digit in units place as it.

Now carry the 2 to 4 add both we get 6

Now carry 5 to 6 add both = 11. Put 1 in hundreds  place and

Carry the another 1 to next digit 3 add both = 4

Now carry 4 to 8 add we get 12

Answer = 12167