Patsy is gearing up for this weekend’s graduation.  She needs to have 6 appetizers per each of her 30 guests.  She’s making 3 dozen deviled eggs, 2 dozen pigs in a blanket and 2 dozen kebabs.  How many more dozen appetizers does she need to make?
She needs 6 appetizers per each of her 30 guests so she needs 6*30 = 
<gadget id="calculator">6*30</gadget>
<output>180</output>
180 appetizers.
She's made 3 dozen deviled eggs, 2 dozen pigs in a blanket and 2 dozen kebabs so she's made 3+2+2 = 
<gadget id="calculator">3+2+2</gadget>
<output>7</output>
7 dozen appetizers
7 dozen appetizers is 7*12 = 
<gadget id="calculator">7*12</gadget>
<output>84</output>
84 appetizers.
She needs 180 appetizers and has made 84 so she needs 180-84 = 
<gadget id="calculator">180-84</gadget>
<output>96</output>
96 appetizers
96 appetizers, in dozens, is 96/12 = 
<gadget id="calculator">96/12</gadget>
<output>8</output>
8 dozen more appetizers.

<result>8</result>