If 1.5 cm of a pencil is purple, 0.5 cm of the remaining is black and the remaining 2 cm is blue, what is the total length of the pencil?  Choices.
A) 5 cm  B) 3 cm  C) 1 cm  D) 4 cm  E) 2 cm
Purple is 1.5 cm
Black is 0.5 cm
Blue is 2 cm
 1.5+0.5+2= 
<gadget id="calculator"> 1.5+0.5+2</gadget>
<output>4</output>
4 cm
Answer is 4 cm) 4 cm
<result>D</result>
If 1.5 cm of a pencil is purple, 0.5 cm of the remaining is black and the remaining 2 cm is blue, what is the total length of the pencil?