Sam is twice as old as Sue. Kendra is 3 times as old as Sam. If Kendra is currently 18, what will be their total age in 3 years?
Sam is currently 18 / 3 = 
<gadget id="calculator">18/3</gadget>
<output>6</output>
6 years old.
Sue is currently 6 / 2 = 
<gadget id="calculator">6/2</gadget>
<output>3</output>
3 years old.
In three years, Sue will be 3 + 3 = 
<gadget id="calculator">3+3</gadget>
<output>6</output>
6.
In three years, Same will be 6 + 3 = 
<gadget id="calculator">6+3</gadget>
<output>9</output>
9.
In three years, Kendra will be 18 + 3 = 
<gadget id="calculator">18+3</gadget>
<output>21</output>
21.
Their total age in three years is 6 + 9 + 21 = 
<gadget id="calculator">6+9+21</gadget>
<output>36</output>
36.

<result>36</result>