A cuboid-shaped gasoline barrel has a bottom area of 18 decimeters and a height of 6 decimeters. If 1 liter of gasoline weighs 0.75 kilograms, how many kilograms of gasoline can this gasoline barrel hold?
一个长方体形状的汽油桶，底面积是18平方分米，高是6分米，如果1升汽油重0.75千克，则这个汽油桶最多可以装多少千克汽油？
<gadget id="calculator">6 / 1</gadget>
<output>6</output>

<gadget id="calculator">18 * 6</gadget>
<output>108</output>

<gadget id="calculator">0.75 * 108</gadget>
<output>81</output>

<result>81</result>