3 years ago James turned 27.  In 5 years Matt will be twice James age.  How old is Matt now?
James is now 27+3=
<gadget id="calculator">27+3</gadget>
<output>30</output>
30 years old.
In 5 years James will be 30+5=
<gadget id="calculator">30+5</gadget>
<output>35</output>
35 years old.
So in 5 years Matt will be 35*2=
<gadget id="calculator">35*2</gadget>
<output>70</output>
70 years old.
That means Matt is now 70-5=
<gadget id="calculator">70-5</gadget>
<output>65</output>
65 years old.

<result>65</result>