The base of a cuboid is a square with side length 5 cm. Its surface area is 290 cm2. What is the volume of the cuboid?
一个长方体的底面是边长为5厘米的正方形，它的表面积是290平方厘米，这个长方体的体积是多少？
<gadget id="calculator">5 * 5</gadget>
<output>25</output>

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

<gadget id="calculator">290 - 50</gadget>
<output>240</output>

<gadget id="calculator">240 / 4 / 5</gadget>
<output>12</output>

<gadget id="calculator">25 * 12</gadget>
<output>300</output>

<result>300</result>