A cuboid glass tank, the length and width are 8cm, the water depth is 6cm, put a coral stone in the tank, the current water depth is 7cm, how many cubic centimeters is the volume of this coral stone?
一个长方体玻璃缸，长和宽都是8cm，水深6cm，缸中放入一珊瑚石，现在的水深是7cm，这块珊瑚石的体积是多少立方厘米？
<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<gadget id="calculator">8 * 8 * 1</gadget>
<output>64</output>

<result>64</result>