The sum of the sides of a cuboid is 60 centimeters, which can be cut into three identical cubes. What is the surface area of the original cuboid in square centimeters?
一个长方体棱长的总和是60厘米，它正好能被切成三个同样的正方体，原来长方体的表面积是多少平方厘米．
<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<gadget id="calculator">3 + 1 + 1</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">15 * (3/5) * 15 * (1/5) * 4</gadget>
<output>108</output>

<gadget id="calculator">15 * (1/5) * 15 * (1/5) * 2</gadget>
<output>18</output>

<gadget id="calculator">108 + 18</gadget>
<output>126</output>

<result>126</result>