A section of ventilation pipe is 2.2 meters long, 2 decimeters wide, and 2 decimeters high. How many iron sheets are needed to make 10 such ventilation pipes?
一截通风管，长2.2米，宽2分米，高2分米，做10截这样的通风管，需要多少铁皮？
<gadget id="calculator">2.2 * 10</gadget>
<output>22</output>

<gadget id="calculator">22 * 2</gadget>
<output>44</output>

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

<gadget id="calculator">44 + 4</gadget>
<output>48</output>

<gadget id="calculator">48 * 2 * 10</gadget>
<output>960</output>

<result>960</result>