John pays for a candy bar with 4 quarters, 3 dimes, and a nickel.  He got 4 cents back in change.  How many cents did the candy bar cost?
The quarters came to 4*25=
<gadget id="calculator">4*25</gadget>
<output>100</output>
100 cents.
The dimes were worth 3*10=
<gadget id="calculator">3*10</gadget>
<output>30</output>
30 cents.
The nickel was 5*1=
<gadget id="calculator">5*1</gadget>
<output>5</output>
5 cents.
So he paid 100+30+5=
<gadget id="calculator">100+30+5</gadget>
<output>135</output>
135 cents.
Since he got 4 cents as change it cost 135-4=
<gadget id="calculator">135-4</gadget>
<output>131</output>
131 cents.

<result>131</result>