The length of a cuboid is 10 cm, the width is 15 cm, and the height is 12 cm. What is the sum of the lengths of the sides of this cuboid?
一个长方体的长是10厘米，宽是15厘米，高是12厘米，这个长方体的棱长总和是多少厘米？
<gadget id="calculator">10 + 15 + 12</gadget>
<output>37</output>

<gadget id="calculator">37 * 4</gadget>
<output>148</output>

<result>148</result>