The length of a cuboid is 12cm. If the length is reduced by 4cm (width and height remain unchanged), then the volume will be reduced by 25cm**3. What is the volume of the original cuboid?
一个长方体的长为12cm，如果长减少4cm(宽和高不变)，那么体积就减少25cm**3．原长方体的体积是多少？
<gadget id="calculator">25 / 4</gadget>
<output>25/4 = around 6.25</output>

<gadget id="calculator">(25/4) * 12</gadget>
<output>75</output>

<result>75</result>