Kyle is 5 years older than Julian. Julian is 20 years younger than Frederick. Frederick is 2 times older than Tyson. If Tyson is 20, how old is Kyle?
Frederick is 20 * 2 = 
<gadget id="calculator">20*2</gadget>
<output>40</output>
40 years old.
Julian is 40 - 20 = 
<gadget id="calculator">40-20</gadget>
<output>20</output>
20 years old.
Kyle is 20 + 5 = 
<gadget id="calculator">20+5</gadget>
<output>25</output>
25 years old.

<result>25</result>