Even though a single Siberian tiger could probably take 8-10 wolves, they are solitary and not used to coordinating teamwork. Three tigers would be terribly crowded by thirty wolves which might be an advantage or it might be a disadvantage. Animals tend to go insanely aggressive when backed into a corner.

The wolves probably wouldn't even go near a tiger, but you're asking a fight to the death situation I assume. And my answer would depend on the layout, but I'd probably go for the wolves.

If you added another tiger or took away five or more wolves then I'd favour the tigers. Wolves are incredible at working together. However, sick and ill tigresses have been known to maul over twenty dholes; so three fully grown adult males are not severely outmatched. But how many dholes to kill thirty wolves is the answer.