To dig a cuboid reservoir with a length of 40m, a width of 30m, and a depth of 5m, how many cubic meters of soil should be excavated? (In engineering, the soil of "1m**3" is referred to as "1 square")
挖一个长40m，宽30m，深5m的长方体蓄水池，要挖出多少立方土？(在工程上，"1m**3"的土简称"1方")
<gadget id="calculator">40 * 30 * 5</gadget>
<output>6_000</output>

<result>6_000</result>