Weird Recovery: I Help You Reincarnate

After reading the introduction, I wanted to ask, does the author know what the multiplication principle is? Double every day. If one penny is consumed on the first day, and a month is calculated as thirty days, the consumption on the thirtieth day exceeds five million, and the total consumption in thirty days exceeds ten million. And from the 31st day onwards, consumption increased by ten million. With such a big restriction, I don't want to look behind it.