Andy bakes and sells birthday cakes. To make two cakes he spends $12 on ingredients, and $1 on packaging for each cake. Andy sells each cake for $15. How much money does Andy make for each cake?
Spending $12 on ingredients for 2 cakes, he spends 12 / 2 = $
<gadget id="calculator">12/2</gadget>
<output>6</output>
6 on ingredients per cake.
Adding the cost of packaging, he spends 6 + 1 = $
<gadget id="calculator">6+1</gadget>
<output>7</output>
7 per cake.
Selling each cake for $15, Andy's profit is 15 - 7 = $
<gadget id="calculator">15-7</gadget>
<output>8</output>
8 per cake.

<result>8</result>