Use 3 small cuboids with a length of 5 cm, a width of 4 cm and a height of 3 cm to form a large cuboid with the smallest surface area. What is the surface area of this large cuboid in cm**2.
用3个长5cm、宽4cm、高3cm的小长方体拼成一个表面积最小的大长方体，这个大长方体的表面积是多少cm**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 * 3</gadget>
<output>282</output>

<gadget id="calculator">5 * 4 * 4</gadget>
<output>80</output>

<gadget id="calculator">282 - 80</gadget>
<output>202</output>

<result>202</result>