Make a cuboid fuel tank with a volume of 36L. It is known that the length of the mailbox is 4 decimeters and the width is 3 decimeters. What is the height of this fuel tank?
做一个容积是36L的长方体油箱，已知邮箱的长是4分米，宽是3分米．这个油箱的高是多少？
<gadget id="calculator">4 * 3</gadget>
<output>12</output>

<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<result>3</result>