To make a cuboid glass fish tank with a length of 8dm, a width of 4dm, and a depth of 5dm, how much glass is needed at least?
制作一个长8dm，宽4dm，深5dm的无盖长方体玻璃鱼缸，至少需要多少玻璃？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">8 * 5</gadget>
<output>40</output>

<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<gadget id="calculator">40 + 20</gadget>
<output>60</output>

<gadget id="calculator">60 * 2</gadget>
<output>120</output>

<gadget id="calculator">32 + 120</gadget>
<output>152</output>

<result>152</result>