327
    x 3 
   -----

  STEP ONE: multiply bottom number by ones digit of top number.

       7 x 3 = 21

  STEP TWO: carry and bring down.
        
        2
       327
       x 3 
      -----
         1

  STEP THREE: multiply bottom number by tens digit and add carried number.

       2 x 3 + 2 = 8

  STEP FOUR: carry and bring down.

       01
       327
       x 3 
      -----
        82

  STEP FIVE: multiply bottom number by hundreds digit and add carried number.

      3 x 3 + 0 = 9

  STEP SIX: bring down.

       01
       327
       x 3 
      -----
       982