If the height of a cuboid is increased by 3cm, it becomes a cube. At this time, the surface area is increased by 60cm**2 compared to the original one. What is the volume of the original cuboid in cm**3?
一个长方体，如果高增加3cm，就成为一个正方体，这时表面积比原来增加了60cm**2，原来长方体的体积是多少cm**3？
<gadget id="calculator">60 / 3 / 4</gadget>
<output>5</output>

<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">5 * 5 * 2</gadget>
<output>50</output>

<result>50</result>