A cuboid water tank has a length of 1.5 meters, a width of 8 decimeters, and a height of 0.6 meters. How many square decimeters of iron sheets are needed to make a pair of such water tanks?
一个长方体水箱，长是1.5米，宽是8分米，高是0.6米，做一对这样的水箱至少需要铁皮多少平方分米？
<gadget id="calculator">1.5 * 10</gadget>
<output>15</output>

<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<gadget id="calculator">0.6 * 10</gadget>
<output>6</output>

<gadget id="calculator">15 * 6</gadget>
<output>90</output>

<gadget id="calculator">8 * 6</gadget>
<output>48</output>

<gadget id="calculator">120 + 90 + 48</gadget>
<output>258</output>

<gadget id="calculator">258 * 2 * 2</gadget>
<output>1_032</output>

<result>1_032</result>