rectangular parallelepiped oil barrel has a bottom area of 18dm**2 and can hold 43.2kg of oil. If the oil weighs 0.8kg per liter, what is the height of the oil barrel?
一个长方体油桶，底面积是18dm**2，它可装油43.2kg，如果每升油重0.8kg，油桶的高是多少？
<gadget id="calculator">43.2 / 0.8</gadget>
<output>54</output>

<gadget id="calculator">54 / 18</gadget>
<output>3</output>

<result>3</result>