Thomas and Gerald meet up to eat pieces of cheese. Thomas is greedy: for every $$3$$ pieces of cheese Gerald eats, Thomas eats $$5$$. The two of them eat $$104$$ pieces of cheese in total. How many more pieces of cheese did Thomas eat than Gerald?  Answer:~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Word Problem Modules->Unitary Method Problems->Finding the Unit Rate and then the Total Value