Monica: Shut up and pull my table back.

Chandler: All right, kids. I’ve got to get to work. If I don’t input those numbers, it doesn’t make much of a difference.

make a/the difference

to have an important effect or influence on something or someone : 

Whatever she did, it made no difference.

هر کاری کرد، هیچ تاثیری نداشت.