A cuboid has a length of 6 cm, a width of 5 cm, and a height of 3 cm, what is the sum of its sides in cm?
一个长方体，它的长是6厘米，宽5厘米，高3厘米，它的棱长之和是多少厘米．
<gadget id="calculator">6 + 5 + 3</gadget>
<output>14</output>

<gadget id="calculator">14 * 4</gadget>
<output>56</output>

<result>56</result>