A 1.3-meter-long wire is used to fold it into an isosceles triangle with a waist length of 35 cm. What is the length of the base of this isosceles triangle?
用一根长1.3米的铁丝，要把它折成一个腰长35厘米的等腰三角形，这个等腰三角形的底边长是多少厘米？
<gadget id="calculator">1.3 * 100</gadget>
<output>130</output>

<gadget id="calculator">130 - 35 - 35</gadget>
<output>60</output>

<result>60</result>