A cuboid has sides whose sum is 180 cm, length 20 cm, and width 15 cm. Cut this cuboid into small cubes with side lengths of 1 cm, and arrange these small cubes in a row to form a new cuboid. What is the surface area of this new cuboid?
一个长方体的棱长总和是180厘米，长20厘米，宽15厘米．把这个长方体切成棱长是1厘米的小正方体，再把这些小正方体排成一排，成为一个新的长方体．这个新长方体的表面积是多少？
<gadget id="calculator">20 / 1</gadget>
<output>20</output>

<gadget id="calculator">15 * 1</gadget>
<output>15</output>

<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">45 - 20 - 15</gadget>
<output>10</output>

<gadget id="calculator">10 / 1</gadget>
<output>10</output>

<gadget id="calculator">20 * 15 * 10</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 * 1 * 4</gadget>
<output>12_000</output>

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

<gadget id="calculator">12_000 + 2</gadget>
<output>12_002</output>

<result>12_002</result>