A square tin bucket with a side length of 4 decimeters contains 48 liters of water. What is the height of the water? (The thickness of the iron sheet is ignored)
一个棱长是4分米的正方体铁皮水桶，里面盛水48升，水的高度是多少？(铁皮的厚度忽略不计)
<gadget id="calculator">4 * 4</gadget>
<output>16</output>

<gadget id="calculator">48 / 16</gadget>
<output>3</output>

<result>3</result>