To calculate the grand total,We have to consider that you spend 7 years at Hogwarts, and the inflation value of the British pound changes over these 7 years.
In the following years, hundreds of thousands of dollars worth of Australian fake notes — all with watermark and metal threads — passed into circulation, undermining confidence in Australia's new money.
During the last, crisis-ridden year of the Soviet Union in 1991, the value of the ruble fell so low that Russians used it for wallpaper and toilet paper, both of which were in short supply.