The local salon offers mani/pedis for $40.00.  They are running a Mother's day special and offering 25% off their regular rate.  Charlotte is treating herself, her daughter and 3 granddaughters to a spa day.  How much will Charlotte spend on 5 mani/pedis?
A mani/pedi is $40.00 and they are offering 25% off so that's 40*.25 = $
<gadget id="calculator">40*.25</gadget>
<output>10</output>
10.00 discount.
The mani/pedi is $40.00 and there is a $10.00 discount so each one is 40-10=$
<gadget id="calculator">40-10</gadget>
<output>30</output>
30.00.
Charlotte is treating herself and 4 other people for a total of 5 people at $30.00 each so it will cost 5*30 = $
<gadget id="calculator">5*30</gadget>
<output>150</output>
150.00.

<result>150</result>