Ann is baking cookies. She bakes three dozen oatmeal raisin cookies, two dozen sugar cookies, and four dozen chocolate chip cookies. Ann gives away two dozen oatmeal raisin cookies, 1.5 dozen sugar cookies, and 2.5 dozen chocolate chip cookies. How many total cookies does she keep?
Ann had 3 dozen oatmeal cookies - 2 dozen = 
<gadget id="calculator">3-2</gadget>
<output>1</output>
1 dozen oatmeal cookies left.
Ann had 2 dozen sugar cookies - 1.5 dozen = 
<gadget id="calculator">2-1.5</gadget>
<output>0.5</output>
.5 dozen sugar cookies left.
Ann had 4 dozen chocolate chip cookies - 2.5 dozen = 1.5 dozen chocolate chip cookies left.
Ann has a total of 1 + .5 + 1.5 dozen cookies = 
<gadget id="calculator">1+.5+1.5</gadget>
<output>3</output>
3 dozen cookies.
3 dozen cookies is 3 *12 cookies = 
<gadget id="calculator">3*12</gadget>
<output>36</output>
36 cookies remaining.

<result>36</result>