A pool with a length of 10m, a width of 8m, and a height of 5m needs 0.8 kilograms of cement per square meter. How many kilograms of cement is needed in total?
一个长10m、宽8m、高5m的水池，要在它的底面和四周抹上水泥，每平方米需要水泥0.8千克，一共需要水泥多少千克？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">10 * 5 * 2</gadget>
<output>100</output>

<gadget id="calculator">8 * 5 * 2</gadget>
<output>80</output>

<gadget id="calculator">80 + 100 + 80</gadget>
<output>260</output>

<gadget id="calculator">260 * 0.8</gadget>
<output>208</output>

<result>208</result>