$5\times4+5\times2+2\times4+2\times4+2=48$ 
On the farm, there are $$5$$ sheep, $$5$$ hens, $$2$$ dogs, $$2$$ cats, and the farmer. How many legs are there altogether? (2006 Math Kangaroo Problem, Level 1-2, Question \#15) 
Options:
  $$20$$ 
  $$14$$ 
  $$24$$ 
  $$48$$ 
  $$46$$ 