cuboid fuel tank, measured from the inside, has a length of 15 decimeters and a width of 8 decimeters. It is known that its volume is 480 cubic decimeters, what is its height in decimeters.
一个长方体油箱，从里面量，它的长是15分米，宽8分米．已知它的容积是480立方分米，它的高是多少分米．
<gadget id="calculator">15 * 8</gadget>
<output>120</output>

<gadget id="calculator">480 / 120</gadget>
<output>4</output>

<result>4</result>