$ sudo apt-get update
$ sudo apt-get install mbrola-la1 

mbrola-la1 is installed in your system.

Make ensure the mbrola-la1 package were installed using the commands given below,

$ sudo dpkg-query -l | grep mbrola-la1 *

You will get with mbrola-la1 package name, version, architecture and description in a table

mbrola-la1 package basic information: