John went on a mission that was supposed to take 5 days.  Instead it took 60% longer.  He then had to go on a second mission which took 3 days.  How long was he on missions?
The first mission took 5*.6=
<gadget id="calculator">5*.6</gadget>
<output>3</output>
3 days longer than anticipated.
So it took 5+3=
<gadget id="calculator">5+3</gadget>
<output>8</output>
8 days.
That means the two missions took 8+3=
<gadget id="calculator">8+3</gadget>
<output>11</output>
11 days.

<result>11</result>