A cuboid is 5 cm long, 3 cm wide, and 4 cm high. What is its surface area in centimeters**2.
一个长方体，长5厘米，宽3厘米，高4厘米．它的表面积是多少厘米**2．
<gadget id="calculator">5 * 3</gadget>
<output>15</output>

<gadget id="calculator">5 * 4</gadget>
<output>20</output>

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

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

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

<result>94</result>