A 6.4-meter-long iron wire is cut into several sections, welded into a cuboid frame, and then wrapped with iron sheets on all sides. To make the cuboid tin box with cover as much as possible to adorn the cube wood blocks (the space occupied by the iron wire is not counted) with a length of 1 decimeter as much as possible, how much area of iron sheet is needed to make this cuboid tin box?
把一根长6.4米的铁丝截成几段，焊接成长方体的框架，再用铁皮包上各个面．要使做成的带盖的长方体铁皮箱尽量能多装棱长为1分米的正方体木块(铁丝所占的空间不计)，做这个长方体铁皮箱需要多少面积的铁皮？
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">25 + 30 + 30</gadget>
<output>85</output>

<gadget id="calculator">85 * 2</gadget>
<output>170</output>

<result>170</result>