A cuboid block of wood is 5 cm long, 4 cm wide, and 3 cm high. What is its surface area in cm**2.
一块长方体木块，长5厘米，宽4厘米，高3厘米，它的表面积是多少厘米**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>