A cuboid food box is 25 cm long, 20 cm wide, and 30 cm high. If a circle of label paper is pasted around it (not counting the joints on the top and bottom), what is the area of the label paper in square centimeters?
一个长方体食品盒，长25厘米，宽20厘米，高30厘米，如果围着它贴一圈商标纸(上下面不贴接头处不计)，商标纸的面积是多少平方厘米？
<gadget id="calculator">25 * 30</gadget>
<output>750</output>

<gadget id="calculator">20 * 30</gadget>
<output>600</output>

<gadget id="calculator">750 + 600</gadget>
<output>1_350</output>

<gadget id="calculator">1_350 * 2</gadget>
<output>2_700</output>

<result>2_700</result>