hi people, i am using digi postpaid and recently i found out i have 3.5k bonus points. what can i do with all these points?

3k points - rm120 total usage. what does it means actually? my average phone bills are around rm140(including 1 main and 3 sup line). so does it means next month i just have to top up another 20 or what?

really appreciate it if there is anyone able to answer me out. thanks alot!