The ratio of the three interior angles of a triangle is 1:3:6, what is the largest interior angle in this triangle?
一个三角形三个内角度数的比是1：3：6，这个三角形中最大的内角是多少度．
<gadget id="calculator">1 + 3 + 6</gadget>
<output>10</output>

<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">180 * (3/5)</gadget>
<output>108</output>

<result>108</result>