cuboid becomes a cube if its height is reduced by 2 centimeters, and its volume is reduced by 50 cubic centimeters. What is the surface area of the cube in square centimetres?
一个长方体，如果将它的高减少2厘米，就成为一个正方体，而且体积减少50立方厘米，这个正方体的表面积是多少平方厘米．
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">5 + 2</gadget>
<output>7</output>

<gadget id="calculator">5 * 7</gadget>
<output>35</output>

<gadget id="calculator">25 + 35 + 35</gadget>
<output>95</output>

<gadget id="calculator">95 * 2</gadget>
<output>190</output>

<result>190</result>