The development of technology follows certain trails, and for anything that can logically think or even move, time is a significant tag that helps them understand the world.
For a problem like what one plus one equals, time is not needed to help clear thoughts, so Lille and Munemasa can maintain a certain level of thinking ability, but to survive further, they must gradually repair their memories...
Especially Munemasa's database.
Arasaka's main enemies have always been Europeans, after all, Mei Country people have already fallen to their own financial fraud and deception, leaving only the European Union in front of Arasaka Saburo.
Munemasa once processed countless information related to this aspect on Arasaka Company's servers, and might have a deeper understanding of European technology development history than Europeans themselves —