Given that the apex angle of an isosceles triangle is 34°, how many degrees is each base angle?
已知一个等腰三角形的顶角是34°，它的每个底角是多少度？
<gadget id="calculator">180 - 34</gadget>
<output>146</output>

<gadget id="calculator">146 / 2</gadget>
<output>73</output>

<result>73</result>