A cuboid glass is 8 cm long, 7 cm wide, and 3 cm deep in water. Put a piece of coral into the water and submerge it in the water. The water rises to 5 cm. What is the volume of this piece of coral in cubic centimeters?
一个长方体玻璃，长8厘米，宽7厘米，水深3厘米，把一块珊瑚石放入水内浸没在水中，水上升到5厘米，这块珊瑚石的体积是多少立方厘米？
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">8 * 7 * 2</gadget>
<output>112</output>

<result>112</result>