Stick a circle of label paper around a cuboid food box with a length of 1 decimeter, a width of 8 centimeters, and a height of 1.5 decimeters. The joint part of the label paper is 1 centimeter. What is the area of this label paper in square decimeters?
在一个长1分米，宽8厘米，高1.5分米的长方体食品盒四周贴上一圈商标纸，商标纸接头部分是1厘米，这张商标纸的面积是多少平方分米？
<gadget id="calculator">1 * 1.5</gadget>
<output>1.5</output>

<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) * 1.5</gadget>
<output>1.2</output>

<gadget id="calculator">1.5 + 1.2</gadget>
<output>2.7</output>

<gadget id="calculator">2.7 * 2</gadget>
<output>5.4</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1.5 * (1/10)</gadget>
<output>0.15</output>

<gadget id="calculator">5.4 + 0.15</gadget>
<output>5.55</output>

<result>5.55</result>