A gift shop sells bracelets at $15 each, a gold heart necklace at $10,  and a personalized coffee mug at $20.  Raine buys three bracelets, two gold heart necklaces, and one coffee mug for her friends. How much change does Raine get back if she gives a one hundred dollar bill?
Three bracelets cost 3 x $15 = $
<gadget id="calculator">3*15</gadget>
<output>45</output>
45.
Two gold necklaces cost 2 x $10 = $
<gadget id="calculator">2*10</gadget>
<output>20</output>
20.
Thus, the total amount is $45 + $20 + $20 = $
<gadget id="calculator">45+20+20</gadget>
<output>85</output>
85.
Therefore, Raine gets a change of $100 - $85 = $
<gadget id="calculator">100-85</gadget>
<output>15</output>
15.

<result>15</result>