If the ratio of the three interior angles of a triangle is 3:5:10, what is the largest interior angle of the triangle?
一个三角形三个内角的度数比为3：5：10，则这个三角形的最大内角为多少度．
<gadget id="calculator">3 + 5 + 10</gadget>
<output>18</output>

<gadget id="calculator">10 / 18</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">180 * (5/9)</gadget>
<output>100</output>

<result>100</result>