In a cuboid oil barrel with a length of 9dm, a width of 5dm, and a height of 6dm, the depth of oil inside is 4dm, how much oil is in this oil barrel?
在一个长是9dm，宽是5dm，高6dm的长方体油桶中，里面的油深4dm，这个油桶有油多少L．
<gadget id="calculator">9 * 5 * 6</gadget>
<output>270</output>

<result>270</result>