cuboid frame has a length of 6 cm, a width of 5 cm, and a height of 4 cm. What is the sum of the lengths of the sides of this cuboid frame in cm?
一个长方体框架，长6厘米，宽5厘米，高4厘米，这个长方体框架的棱长总和是多少厘米．
<gadget id="calculator">5 + 6 + 4</gadget>
<output>15</output>

<gadget id="calculator">15 * 4</gadget>
<output>60</output>

<result>60</result>