John buys milk for 2 dollars, eggs for 3 dollars, light bulbs for 3 dollars, cups for 3 dollars, and roach traps for 4 dollars.  If there is a 10% tax on all nonfood items how much did everything cost.
The foodstuff cost 2+3=$
<gadget id="calculator">2+3</gadget>
<output>5</output>
5.
The nonfood stuff comes out to 3+3+4=$
<gadget id="calculator">3+3+4</gadget>
<output>10</output>
10.
Tax on the nonfood stuff comes out to 10*.1=$
<gadget id="calculator">10*.1</gadget>
<output>1</output>
1.
So the total cost is 5+10+1=$
<gadget id="calculator">5+10+1</gadget>
<output>16</output>
16.

<result>16</result>