yeah... you're going to have to plan on refinishing the floors at the same time.

Firstly, be aware there is a high chance it contains asbestos. Get it tested, and ensure you follow guidelines and regulations for its removal and disposal. Don’t just rely on your neighbor.

I’ve used these before with success on wood, you just need to be careful on controlling the aggressiveness. https://www.jendcosafety.com/diamabrush-7-mastic-removal-hand-tool/