A 7" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks
are there even without a single face being painted? Select the correct option:
A) 81	B) 100	C) 125	D) 144	E) 225
The unpainted blocks are the interior blocks.   These blocks form a 5" cube on the inside.   The number of unpainted blocks is  5*5*5= 
<gadget id="calculator"> 5*5*5</gadget>
<output>125</output>
125 blocks.   The answer is 125.
<result>C</result>
A 7" cube is painted in all its faces and then it is cut down into 1" blocks. How many 1" blocks
are there even without a single face being painted?