To make a cuboid glass fish tank without a cover with a length of 6dm, a width of 4dm and a height of 5dm, how much glass is needed at least in dm**2.
做一个长6dm，宽4dm，高5dm的无盖的长方体玻璃鱼缸，至少需要玻璃多少dm**2．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">6 * 5 * 2</gadget>
<output>60</output>

<gadget id="calculator">4 * 5 * 2</gadget>
<output>40</output>

<gadget id="calculator">24 + 60 + 40</gadget>
<output>124</output>

<result>124</result>