In Norton Juster\textquotesingle s book \emph{The Phantom Tollbooth} we learn that the hero, Milo,smiles warmly on average $$47$$ times a day.  How often would you expect him to smile warmly in January?(There are $$31$$ days in  January) 
Overseas Competition->Knowledge Point->Word Problem Modules->Unitary Method Problems->Finding the Unit Rate and then the Total Value