The two interior angles of a triangle are 17 degrees and 65 degrees, what is the third interior angle?
三角形的两个内角是17度和65度，第三个内角是多少度．
<gadget id="calculator">17 + 65</gadget>
<output>82</output>

<gadget id="calculator">180 - 82</gadget>
<output>98</output>

<result>98</result>