A cuboid wooden box without a cover, 1.2 meters long, 0.8 meters wide, and 0.6 meters high. At least how many square meters of wooden wrenches are needed to make this wooden box?
一个无盖的长方体木箱，长1.2米，宽0.8米，高0.6米．做这个木箱至少要用多少平方米的木扳？
<gadget id="calculator">1.2 + 0.8</gadget>
<output>2</output>

<gadget id="calculator">2 * 2 * 0.6</gadget>
<output>2.4</output>

<gadget id="calculator">1.2 * 0.8</gadget>
<output>0.96</output>

<gadget id="calculator">2.4 + 0.96</gadget>
<output>3.36</output>

<result>3.36</result>