To manufacture a cuboid water tank with a length of 13.5 decimeters and a width of 12 decimeters, how many square meters of iron sheets are required to make this water tank hold water up to 1296 liters?
制造一个长13.5分米、宽12分米的无盖长方体水箱，要使这个水箱最多可装水1296升，至少需要多少平方米的铁皮？
<gadget id="calculator">13.5 * 12</gadget>
<output>162</output>

<gadget id="calculator">1_296 / 162</gadget>
<output>8</output>

<gadget id="calculator">12 * 8 * 2</gadget>
<output>192</output>

<gadget id="calculator">8 * 13.5 * 2</gadget>
<output>216</output>

<gadget id="calculator">162 + 192 + 216</gadget>
<output>570</output>

<gadget id="calculator">570 / 100</gadget>
<output>57/10 = around 5.7</output>

<result>57/10 = around 5.7</result>