A cuboid bucket without a cover, the bottom surface is a square with a side length of 4 decimeters and a height of 6 decimeters. How many square decimeters of iron sheet should be used to make such a bucket?
一个不带盖得长方体水桶，底面是边长4分米的正方形，高6分米，做这样一个水桶至少要用铁皮多少平方分米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

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

<gadget id="calculator">16 + 96</gadget>
<output>112</output>

<result>112</result>