Four years ago, Kody was only half as old as Mohamed. If Mohamed is currently twice 30 years old, how old is Kody?
Mohammed is currently 2*30 = 
<gadget id="calculator">2*30</gadget>
<output>60</output>
60 years old.
four years ago, Mohammed was 60-4 = 
<gadget id="calculator">60-4</gadget>
<output>56</output>
56 years old.
Four years ago, Kody was half Mohammed's age, which is 56/2 = 
<gadget id="calculator">56/2</gadget>
<output>28</output>
28 years old.
Currently, Kody is 28+4 = 
<gadget id="calculator">28+4</gadget>
<output>32</output>
32 years old.

<result>32</result>