cuboid gasoline barrel has a base area of 30 square decimeters and a height of 6 decimeters. If 1 liter of gasoline weighs 0.78 kilograms, how many kilograms of gasoline can this barrel hold?
一个长方体的汽油桶，底面积是30平方分米，高是6分米．如果1升汽油重0.78千克，这个油桶可以装多少千克汽油？
<gadget id="calculator">30 * 6</gadget>
<output>180</output>

<gadget id="calculator">0.78 * 180</gadget>
<output>140.4</output>

<result>140.4</result>