There is a piece of cuboid wood with a length of 6 decimeters, a width of 5 decimeters and a height of 3 decimeters. After cutting a largest cube from this piece of wood, what is the surface area of the remaining wood in square decimeters?
有一块长6分米，宽5分米，高3分米的长方体木料，从这块木料上截取一个最大的正方体后，剩下的木料的表面积是多少平方分米．
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">30 + 18 + 15</gadget>
<output>63</output>

<gadget id="calculator">63 * 2</gadget>
<output>126</output>

<gadget id="calculator">3 * 3 * 2</gadget>
<output>18</output>

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

<result>108</result>