If a cuboid is cut into two equal cubes, the surface area is increased by 50 square centimeters, what is the volume of the cuboid in cubic centimeters?
一个长方体截成两个相等的正方体表面积增加了50平方厘米，这个长方体的体积是多少立方厘米．
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">25 / 5</gadget>
<output>5</output>

<gadget id="calculator">5 * 5 * 5 * 2</gadget>
<output>250</output>

<result>250</result>