Tara has a shoebox that is 4 inches tall and 6 inches wide. She puts a square block inside that is 4 inches per side. How many square inches of the box are left uncovered?
The shoebox is 24 square inches because 4 x 6 = 
<gadget id="calculator">4*6</gadget>
<output>24</output>
24.
The block is 16 square inches because 4 x 4 = 
<gadget id="calculator">4*4</gadget>
<output>16</output>
16.
There are 8 square inches uncovered because 24 - 16 = 
<gadget id="calculator">24-16</gadget>
<output>8</output>
8.

<result>8</result>