I earn 3,000 yuan a month, but I am a super rich man

After a failed blind date, Chu Nan discovered that the world had changed. Five dollars could buy a Cullinan!
The smallest unit of currency here became nano!
One dollar was equivalent to the purchasing power of one million!
Chu Nan, who used to earn three thousand a month, suddenly became a super rich man!
Oh my god, how should he spend so much money? !