While on vacation in Hawaii, Steve and Georgia decided to ship pineapples to their home.  Each pineapple costs $1.25 and they buy a dozen.  It will cost $21.00 to ship all of them to their home.  How much will each pineapple end up costing them?
They bought 12 pineapples for $1.25 apiece so 12*1.25 = $
<gadget id="calculator">12*1.25</gadget>
<output>15</output>
15.00.
The pineapples cost $15.00 and it will cost $21.00 to ship so all total, it costs 15+21 = $
<gadget id="calculator">15+21</gadget>
<output>36</output>
36.00.
In total it costs $36.00 to ship home a dozen pineapples so each pineapple costs 36/12 = $
<gadget id="calculator">36/12</gadget>
<output>3</output>
3.00 apiece.

<result>3</result>