Marcia needs to add 3 skirts, 2 pairs of pants and 5 blouses to her work wardrobe.  A department store is offering a sale on pants; buy 1 pair get 1 pair 1/2 off.  If her skirts are $20.00 each, the blouses are $15.00 and both pairs of pants are $30.00 each.  How much will she spend on her wardrobe?
The pants are $30.00 and are buy one get one 1/2 off so the second pair will be 30*.5 = $
<gadget id="calculator">30*.5</gadget>
<output>15</output>
15.00.
The first pair of pants is $30.00 and the second pair is $15.00 so the pants cost 30+15 = $
<gadget id="calculator">30+15</gadget>
<output>45</output>
45.00.
The skirts are $20.00 each and she's buying 3 so that's 20*3 = $
<gadget id="calculator">20*3</gadget>
<output>60</output>
60.00.
The blouses are $15.00 each and she's buying 5 so that's 15*5 = $
<gadget id="calculator">15*5</gadget>
<output>75</output>
75.00.
All total, her wardrobe will cost $45 for the pants, $60 for the skirts and $75 for the blouses so 45+60+75 = $
<gadget id="calculator">45+60+75</gadget>
<output>180</output>
180.00.

<result>180</result>