If the height of a cuboid is reduced by 3dm, it becomes a cube, and the surface area is reduced by 60dm**2. What is the surface area of the original cuboid in square decimeters?
一个长方体的高如果减少3dm，就成为一个正方体，并且表面积减少了60dm**2，原来长方体的表面积是多少平方分米？
<gadget id="calculator">60 / 4 / 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 * 8</gadget>
<output>40</output>

<gadget id="calculator">25 + 40 + 40</gadget>
<output>105</output>

<gadget id="calculator">105 * 2</gadget>
<output>210</output>

<result>210</result>