working and it is relatively easy to replace. You said the pilot light is working so it is a matter of the gas not turning on.
Find the local laundry mat for your wife because it will probably take long to replace than you think it will.......
It has been a number of years since I did my last one so I might be rusty on the details but youtube will help you.
It just dawned on me. Am I helping a Ute?????