A refrigerator is 5 decimeters long, 4 decimeters wide, and 15 decimeters high, what is the sum of its edge lengths?
一台冰箱长5分米，宽4分米，高15分米，它的棱长之和是多少分米．
<gadget id="calculator">5 + 4 + 15</gadget>
<output>24</output>

<gadget id="calculator">24 * 4</gadget>
<output>96</output>

<result>96</result>