cuboid glass jar is filled with some water. If an object with a volume of 300 cubic centimeters is completely immersed in the water, the water level rises by 2 cm. If the height of the jar is 40 cm, what is the volume of the glass jar in cubic centimeters?
一个长方体的玻璃缸装有一些水，将体积300立方厘米的物体完全浸入水中，水面升高2厘米，如果缸的高为40厘米，那么玻璃缸的容积为多少立方厘米．
<gadget id="calculator">300 / 2</gadget>
<output>150</output>

<gadget id="calculator">150 * 40</gadget>
<output>6_000</output>

<result>6_000</result>