Can someone please advise how to solve this problem in more details as I unfortunately do not understand magicpiglet's solution ? Tks.

Jerico wrote:Q : Ali and Danny had a total of 108 stickers at first. In

the first game, Ali lost 0.25 of his stickers to Danny. In the second game, Danny lost 2/5 of his stickers to Ali. In the end, they had the same number of stickers left. How many more stickers did Danny have than Ali at first ?

Tks in advance for your help !