What is the surface area of a cuboid whose length, width, and height are 5cm, 4cm, and 3cm respectively? **2.
一个长、宽、高分别是5cm、4cm、3cm的长方体表面积是多少cm**2．
<gadget id="calculator">5 * 4</gadget>
<output>20</output>

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

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

<gadget id="calculator">20 + 15 + 12</gadget>
<output>47</output>

<gadget id="calculator">47 * 2</gadget>
<output>94</output>

<result>94</result>