When the length of a cuboid is reduced by 2 cm, it becomes a cube with a volume reduction of 50 cubic centimeters. What is the volume of the original cuboid in cubic centimeters?
一个长方体的长减少2厘米后，就变成了一个正方体，体积减少了50立方厘米．原来长方体的体积是多少立方厘米？
<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<gadget id="calculator">5 * 5 * 7</gadget>
<output>175</output>

<result>175</result>