In a triangle, the lengths of the three sides are 60cm, 50cm, and 80cm respectively. What is the perimeter of the triangle in decimeters?
一个三角形，三条边的长度分别是60cm、50cm、80cm，这个三角形的周长是多少分米．
<gadget id="calculator">60 + 50 + 80</gadget>
<output>190</output>

<gadget id="calculator">190 / 10</gadget>
<output>19</output>

<result>19</result>