Josiah is three times as old as Hans. Hans is 15 years old now. In three years, what is the sum of the ages of Josiah and Hans?
Josiah is 15 x 3 = 
<gadget id="calculator">15*3</gadget>
<output>45</output>
45 years old now.
In three years, Josiah will be 45 + 3 = 
<gadget id="calculator">45+3</gadget>
<output>48</output>
48 years old.
Hans will be 15 + 3 = 
<gadget id="calculator">15+3</gadget>
<output>18</output>
18 years old in three years.
So, the sum of their ages in three years is 48 + 18 = 
<gadget id="calculator">48+18</gadget>
<output>66</output>
66 years old.

<result>66</result>