A wire can form a cuboid frame with a length of 5 cm, a width of 4 cm, and a height of 3 cm. If this wire is used to form a cube frame, what is the length of the sides of the cube in centimeters?
一根铁丝可围成一个长5厘米、宽4厘米、高3厘米的长方体框架．如果用这根铁丝围成一个正方体框架，这个正方体的棱长是多少厘米？
<gadget id="calculator">5 + 4 + 3</gadget>
<output>12</output>

<gadget id="calculator">4 / 12</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<result>4</result>