Complex sentence: The Chinese Academy of Sciences is the world's largest scientific and research organisation, it comprises of around 60,000 employees working in 114 institutions, and has been consistently ranked first among research institutions around the world.
Split into simpler sentences: The Chinese Academy of Sciences is the world's largest scientific and research organisation. It employs around 60,000 people working in 114 institutions, and has been consistently ranked first among research institutions around the world.