A cuboid iron box is 10cm long, 9cm wide, and 7cm high. If a label paper is pasted around it (not on the top and bottom), what is the minimum square centimeter area of the label paper?
一个长方体铁盒，长10cm，宽9cm，高7cm，如果围着它贴一圈商标纸(上下面不贴)，这张商标纸的面积至少有多少平方厘米？
<gadget id="calculator">10 * 7 * 2</gadget>
<output>140</output>

<gadget id="calculator">9 * 7 * 2</gadget>
<output>126</output>

<gadget id="calculator">140 + 126</gadget>
<output>266</output>

<result>266</result>