There is a fish pond with a length of 18 meters, a width of 12 meters and a depth of 3.5 meters. A layer of cement should be applied on all sides of the fish pond to prevent water seepage. If 5 kilograms of cement is used per square meter, how many kilograms of cement is needed in total?
有一个养鱼池长18米，宽12米，深3.5米，要在养鱼池各个面上抹一层水泥，防止渗水，如果每平方米用水泥5千克，一共需要水泥多少千克？
<gadget id="calculator">18 * 12</gadget>
<output>216</output>

<gadget id="calculator">12 * 3.5</gadget>
<output>42</output>

<gadget id="calculator">18 * 3.5</gadget>
<output>63</output>

<gadget id="calculator">216 + 42 + 63</gadget>
<output>321</output>

<gadget id="calculator">321 * 2</gadget>
<output>642</output>

<gadget id="calculator">642 - 216</gadget>
<output>426</output>

<gadget id="calculator">426 * 5</gadget>
<output>2_130</output>

<result>2_130</result>