A cuboid container is a square whose bottom side is 18 cm long and the water depth is 4 cm. A cube of side length 6 cm is placed in water. How deep is the water in centimeters?
一个长方体容器，底面边长是18厘米的正方形，水深是4厘米．水中放入一个边长是6厘米的正方体．这时水深是多少厘米？
<gadget id="calculator">18 * 18 * 4</gadget>
<output>1_296</output>

<gadget id="calculator">18 * 18</gadget>
<output>324</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">324 - 36</gadget>
<output>288</output>

<gadget id="calculator">1_296 / 288</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>