After sawing off the height of a rectangular wood block by 2 cm, it becomes a cube, and the surface area is reduced by 80 square centimeters. What is the volume of the original rectangular wood block in cubic centimeters?
把一个长方形木块的高锯掉2厘米后，变成一个正方体，表面积减少了80平方厘米，原来长方体木块的体积是多少立方厘米？
<gadget id="calculator">80 / 4 / 2</gadget>
<output>10</output>

<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">10 * 10 * 12</gadget>
<output>1_200</output>

<result>1_200</result>