A cuboid gasoline barrel has a bottom area of 20dm**2 and a height of 7dm. If 1L of gasoline weighs 0.73kg, how much does the gasoline inside weigh in kilograms when the height of the oil level in the barrel is 6dm?
一个长方体汽油桶，底面积是20dm**2，高7dm，如果1L汽油重0.73kg，那么当桶内油面高6dm时，内装的汽油重多少千克？
<gadget id="calculator">20 * 6 * 0.73</gadget>
<output>87.6</output>

<result>87.6</result>