A cuboid is 12 meters long, 8 meters wide, and 5 meters high, what is the sum of its sides?
一个长方体长12米，宽8米，高5米，它的棱长总和是多少米．
<gadget id="calculator">12 + 8 + 5</gadget>
<output>25</output>

<gadget id="calculator">25 * 4</gadget>
<output>100</output>

<result>100</result>