An isosceles triangle with a vertex angle of 112°, what are its two base angles?
一个等腰三角形，顶角是112°，它的两个底角都是多少．
<gadget id="calculator">180 - 112</gadget>
<output>68</output>

<gadget id="calculator">68 / 2</gadget>
<output>34</output>

<result>34</result>