One week $$7$$ days.  $$24$$ hours per day.  $$60$$ minutes per hour. 
How many minutes are there in one week? 

* $$7\times24$$ 
* $$7\times 2\times 12$$ 
* $$7\times 12 \times 60$$ 
* $$7\times 2 \times 12 \times 60$$ 
* None of the above 