In an isosceles triangle, the ratio of an obtuse angle to an acute angle is 6:2. What is the acute angle?
一等腰三角形中钝角与一个锐角度数比为6：2，这个锐角是多少．
<gadget id="calculator">6 + 2 + 2</gadget>
<output>10</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">180 * (1/5)</gadget>
<output>36</output>

<result>36</result>