The degree ratio of the three interior angles of a triangle is 3:2:5, what is the smallest angle of this triangle? What kind of triangle is this triangle divided by angle?
一个三角形的三个内角的度数比是3：2：5，这个三角形最小的角是多少度？这个三角形按角来分是什么三角形？
<gadget id="calculator">3 + 2 + 5</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>