In a workshop there are 4 kinds of beds, 3 kinds of closets, 3 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?  Select the correct option:
A) A)168.  B) B)80.  C) C)56.  D) D)48.  E) E)120.
ways to select one shelf = 3   ways to select one bed = 4   ways to select one of the following: a chair or a closet = 7+3= 
<gadget id="calculator">7+3</gadget>
<output>10</output>
10   ways to select all of them together= 3*4*10= 
<gadget id="calculator">3*4*10</gadget>
<output>120</output>
120   Answer : 120.
<result>E</result>
In a workshop there are 4 kinds of beds, 3 kinds of closets, 3 kinds of shelves and 7 kinds of chairs. In how many ways can a person decorate his room if he wants to buy in the workshop one shelf, one bed and one of the following: a chair or a closet?