A cuboid iron sheet water tank without a cover is 1 meter long, 5.5 decimeters wide, and 4 decimeters high. How many square decimeters of iron sheet are needed to make this water tank?
一个无盖的长方体铁皮水箱，长1米，宽5.5分米，高4分米，做这个水箱至少需要铁皮多少平方分米？
<gadget id="calculator">1 * 10 * 5.5</gadget>
<output>55</output>

<gadget id="calculator">1 * 10 * 4 * 2</gadget>
<output>80</output>

<gadget id="calculator">5.5 * 4 * 2</gadget>
<output>44</output>

<gadget id="calculator">55 + 80 + 44</gadget>
<output>179</output>

<result>179</result>