rectangular parallelepiped frame is made with 52 cm long iron wire. The ratio of its length, width and height is 2:5:6. What is the height of this rectangular parallelepiped?
用52厘米长的铁丝制成一个长方体框架，它的长、宽、高的比为2：5：6，这个长方体的高是多少．
<gadget id="calculator">52 / 4</gadget>
<output>13</output>

<gadget id="calculator">2 + 5 + 6</gadget>
<output>13</output>

<gadget id="calculator">6 / 13</gadget>
<output>6/13 = around 0.461538</output>

<gadget id="calculator">13 * (6/13)</gadget>
<output>6</output>

<result>6</result>