If 2100 cubes with a side length of 1 cm are stacked to form a cuboid with a height of 10 cm (both the length and width are greater than the height), what is the surface area of the cuboid in square centimeters?
用2100个棱长是1厘米的正方体堆成一个高是10厘米的长方体(长和宽都大于高)，这个长方体的表面积是多少平方厘米．
<gadget id="calculator">15 * 14</gadget>
<output>210</output>

<gadget id="calculator">15 * 10</gadget>
<output>150</output>

<gadget id="calculator">14 * 10</gadget>
<output>140</output>

<gadget id="calculator">210 + 150 + 140</gadget>
<output>500</output>

<gadget id="calculator">500 * 2</gadget>
<output>1_000</output>

<result>1_000</result>