James burned his hand in a freak accident.  It takes him 4 weeks to heal enough to get a skin graft.  After that it takes him 50% longer than that to heal from the skin graft.  How long did he take to recover from everything?
The skin graft took 4*.5=2 weeks longer to recover from than the previous.
So that means it took 4+2=
<gadget id="calculator">4+2</gadget>
<output>6</output>
6 weeks to recover from it.
That means he took 4+6=
<gadget id="calculator">4+6</gadget>
<output>10</output>
10 weeks to recover from everything.

<result>10</result>