My pay is the same every day I work. I worked \emph{every} day in $$1992$$, even weekends. In March, I earned ＄$$930$$. I earned for all of $$1992$$. 
Overseas Competition->Knowledge Point->Word Problem Modules->Unitary Method Problems->Finding the Unit Rate and then the Total Value
In March, there are $$31$$ days. I earned ＄$$930 \div 31$$, which is ＄$$30$$ each day. For all of $$1992$$, I earned $$366\times$$ ＄$$30 =$$＄$$10980$$. 