A cuboid fuel tank can hold 200 liters of gasoline. Now pour the oil into a cuboid fuel tank whose length and width are 4 decimeters. It is just full. How many decimeters is the height of this fuel tank?
一个正方体油箱，能容纳200升汽油，现在把油倒入一个长和宽都是4分米的长方体油箱中，正好装满，这个油箱的高是多少分米？
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">200 / 16</gadget>
<output>25/2 = around 12.5</output>

<result>25/2 = around 12.5</result>