A cube is divided into two cuboids whose surface area is increased by 40 square centimeters. What is the surface area of the original cube?
一个正方体分成两个长方体表面积增加了40平方厘米，原来正方体的表面积是多少平方厘米．
<gadget id="calculator">40 / 2</gadget>
<output>20</output>

<gadget id="calculator">20 * 6</gadget>
<output>120</output>

<result>120</result>