The processing factory needs to make a batch of packaging boxes for TV sets. The length of each TV set is 12dm, the width is 2dm, and the height is 8dm. How many square decimeters of cardboard should be used to make such a packaging box?
加工厂要做一批电视机的包装箱，每台电视机的长12dm，宽2dm，高8dm，做这样的一个包装箱要用多少平方分米的纸板？
<gadget id="calculator">12 * 8</gadget>
<output>96</output>

<gadget id="calculator">2 * 8</gadget>
<output>16</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">96 + 16 + 24</gadget>
<output>136</output>

<gadget id="calculator">136 * 2</gadget>
<output>272</output>

<result>272</result>