$ sudo apt-get update
$ sudo apt-get install libgtkglarea-cil-examples 

libgtkglarea-cil-examples is installed in your system.

Make ensure the libgtkglarea-cil-examples package were installed using the commands given below,

$ sudo dpkg-query -l | grep libgtkglarea-cil-examples *

You will get with libgtkglarea-cil-examples package name, version, architecture and description in a table

libgtkglarea-cil-examples package basic information: