Xiaojun forms an isosceles triangle with 85cm long iron wire. The ratio of one waist to the base of this triangle is 6:5. How many centimeters is the length of one waist of this isosceles triangle?
小军用85cm长的铁丝围成一个等腰三角形，这个三角形一条腰和底边的比是6：5，这个等腰三角形的一条腰长多少厘米？
<gadget id="calculator">6 + 6 + 5</gadget>
<output>17</output>

<gadget id="calculator">6 / 17</gadget>
<output>6/17 = around 0.352941</output>

<gadget id="calculator">85 * (6/17)</gadget>
<output>30</output>

<result>30</result>