60 cm of iron wire is used to weld a cube frame, what is the area of the base of the cube frame in square centimeters?
焊接一个正方体框架用铁丝60厘米，这个正方体框架的底面积是多少平方厘米．
<gadget id="calculator">60 / 12</gadget>
<output>5</output>

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

<result>25</result>