Word problem on distances (I hate these) Ritalin induced eye and neck spasms and pain jesus?

Two Stations A and B are 600 km apart. Two trains depart simultaneously at 08h00 from A and from B, travelling to the other station, at a speed of 80km/h and 70 km/h respectively. When and where do they meet? Jesus the pain in my eye and neck caused by Ritalin. Please help me