How many iron sheets are needed to make a cuboid tank with a length and width of 6 decimeters and a height of 4 decimeters?
用铁皮做一个长和宽都是6分米、高4分米的长方体水槽，至少需要多少铁皮？
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">6 * 4 * 4</gadget>
<output>96</output>

<gadget id="calculator">36 + 96</gadget>
<output>132</output>

<result>132</result>