228
x 4
--------
STEP ONE: multiply bottom number by ones digit of top number.
8 x 4 = 32
STEP TWO: carry and bring down.
3
228
x 4
-----
2
STEP THREE: multiply bottom number by tens digit and add carried number.
4 x 2 + 3 = 11
STEP FOUR: carry and bring down.
13
228
x 4
-----
12
STEP FIVE: multiply bottom number by hundreds digit and add carried number.
2 x 4 + 1 = 9
STEP SIX: bring down.
13
228
x 4
-----
912
356 254 124 x 2 x 5 x 6 ------- ------- --------