The length of a cuboid is 8 cm, the width is 4 cm, and the height is 3 cm. What is the sum of the lengths of the sides of this cuboid?
一个长方体的长是8厘米，宽是4厘米，高是3厘米，这个长方体的棱长之和是多少厘米．
<gadget id="calculator">8 + 4 + 3</gadget>
<output>15</output>

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

<result>60</result>