A cuboid gift box is 16dm long, 9dm wide, and 9dm high. How many square decimeters of wrapping paper should be used to wrap this gift box?
一个长方体礼品盒，长16dm，宽9dm，高9dm，包装这个礼品盒至少用多少平方分米的包装纸？
<gadget id="calculator">16 * 9 * 4</gadget>
<output>576</output>

<gadget id="calculator">9 * 9 * 2</gadget>
<output>162</output>

<gadget id="calculator">576 + 162</gadget>
<output>738</output>

<result>738</result>