There are 14 green papayas on the papaya tree.  On Friday, two of the fruits turned yellow.  On Sunday, twice as many fruits as on Friday turn yellow.  How many green papayas are left on the tree?
On Sunday 2 x 2 = 
<gadget id="calculator">2*2</gadget>
<output>4</output>
4 papayas turned yellow.
A total of 2 + 4 = 
<gadget id="calculator">2+4</gadget>
<output>6</output>
6 papayas turned yellow.
There are 14 - 6 = 
<gadget id="calculator">14-6</gadget>
<output>8</output>
8 green papayas still left on the tree.

<result>8</result>