The length of a cuboid water container is 7 cm, the width is 6 cm, and the water depth is 5 cm. After a small stone is put in, the water depth is 2 cm longer than before. Do you know the volume of the small stone?
一个长方体盛水容器的长是7厘米，宽是6厘米，水深5厘米，放入一个小石块后，水深比原来多2厘米，你知道小石块的体积吗？
<gadget id="calculator">7 * 6 * 2</gadget>
<output>84</output>

<result>84</result>