90 cubic centimeters of water is poured into a container whose bottom is 4.5 centimeters long and 4 centimeters wide. What is the height of the water in centimeters?
把90立方厘米的水倒入一个底面长为4.5厘米，宽为4厘米的容器内，水的高是多少厘米？
<gadget id="calculator">4.5 * 4</gadget>
<output>18</output>

<gadget id="calculator">90 / 18</gadget>
<output>5</output>

<result>5</result>