John has 20% more boxes than Jules. Jules has 5 more boxes than Joseph. Joseph has 80% fewer boxes than Stan. If Stan has 100 boxes, how many boxes does John have?
Joseph has 100 * 0.80 = 
<gadget id="calculator">100*0.80</gadget>
<output>80</output>
80 less boxes than Stan.
Joseph has a total of 100 - 80 = 
<gadget id="calculator">100-80</gadget>
<output>20</output>
20 boxes.
Jules has 20 + 5 = 
<gadget id="calculator">20+5</gadget>
<output>25</output>
25 boxes.
John has 25 * 0.20 = 
<gadget id="calculator">25*0.20</gadget>
<output>5</output>
5 more boxes than Jules.
John has a total of 25 + 5 = 
<gadget id="calculator">25+5</gadget>
<output>30</output>
30 boxes.

<result>30</result>