A medicine box has the shape of a cuboid, its length is 10 cm, its width is 6 cm, and its height is 2.5 cm. Stack 10 medicine boxes together to form a large cuboid. If the overlapping part of the wrapping paper is ignored, please calculate the minimum square centimeter of wrapping paper needed?
一个药盒的形状是长方体，它的长是10厘米，宽是6厘米，高是2.5厘米．把10个药盒摞在一起形成一个大的长方体，如果包装纸的重叠部分忽略不计算，请计算出最少需要多少平方厘米的包装纸？
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 10 * 2</gadget>
<output>240</output>

<gadget id="calculator">2.5 * 5</gadget>
<output>12.5</output>

<gadget id="calculator">12 * 12.5 * 2</gadget>
<output>300</output>

<gadget id="calculator">12.5 * 10 * 2</gadget>
<output>250</output>

<gadget id="calculator">240 + 300 + 250</gadget>
<output>790</output>

<result>790</result>