Liam is 16 years old now. Two years ago, Liam’s age was twice the age of Vince. How old is Vince now?
Liam's age two years ago was 16 - 2 = 
<gadget id="calculator">16-2</gadget>
<output>14</output>
14 years old.
Vince's age two years ago was 14/2 = 
<gadget id="calculator">14/2</gadget>
<output>7</output>
7 years old because Liam's age is twice his.
So Vince age now is 7 + 2 = 
<gadget id="calculator">7+2</gadget>
<output>9</output>
9 years old.

<result>9</result>