A square table, the side of the table is 8 decimeters long, what is the area of the decorative paper of 1 decimeter on the four sides of the square table?
一张方桌，桌面边长8分米，要在这个方桌面的四周贴上1分米的装饰纸条装饰纸的面积是多少平方分米．
<gadget id="calculator">8 * 4 * 1</gadget>
<output>32</output>

<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<gadget id="calculator">32 - 4</gadget>
<output>28</output>

<result>28</result>