The volume of a cuboid is 80 cubic decimeters. It is known that the length and width of the cuboid are both 4 decimeters. How many decimeters is the height?
一个长方体的体积是80立方分米，已知长方体的长和宽都是4分米，高是多少分米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">80 / 16</gadget>
<output>5</output>

<result>5</result>