机器人克隆机器人/Robots clone math question solver
After start, pls input the total hours, and then this scratch will tell you the total robots count after that hours.
This scratch intends to solve this math question:
There is one robot, when it has been produced, it needs one hour to eat junk metal, after that it can clone one totally same robot every one hour, and those cloned robots will do the exact same things as this one. Now, here is one this kind of robot has been just produced, after 12 hours, how many robost are there?