Make an uncovered cube iron water tank with iron sheet, its edge length is 8dm. If the price of the iron sheet per square decimeter is 1.2 yuan, how much is the minimum cost of the iron sheet material for this water tank?
用铁皮做一个无盖的正方体铁皮水箱，它的棱长是8dm．如果每平方分米的铁皮价格是1.2元，做这个水箱的铁皮材料费至少需要多少钱？
<gadget id="calculator">8 * 8 * 5 * 1.2</gadget>
<output>384</output>

<result>384</result>