Use a 48 decimeter long iron wire to make a rectangular parallelepiped frame so that its height is 8 decimeters and the ratio of length to width is 1:1, and then put five batters on paper to make a rectangular parallelepiped lantern , at least how many square meters of paper is needed?
用一根长48分米的铁丝做一个长方体的框架，使它的高为8分米，长、宽的比是1：1，再把它的五个面糊上纸，做成一个长方体的灯笼，至少需要多少平方米的纸？
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<gadget id="calculator">12 - 8</gadget>
<output>4</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

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

<gadget id="calculator">2 * 8 * 4</gadget>
<output>64</output>

<gadget id="calculator">4 + 64</gadget>
<output>68</output>

<result>68</result>