If Jenna has twice as much money in her bank account as Phil does, and Phil has one-third the amount of money that Bob has in his account, and Bob has $60 in his account, how much less money does Jenna have in her account than Bob?
If Phil has one-third of the amount that Bob does, that means he has $60/3= $
<gadget id="calculator">60/3</gadget>
<output>20</output>
20 in his account.
Since Jenna has twice as much money as Phil, that means she has $20*2= 
<gadget id="calculator">20*2</gadget>
<output>40</output>
40 in her account.
Since Bob has $60 in his account, that means he has $60-$40=$
<gadget id="calculator">60-40</gadget>
<output>20</output>
20 more than Jenna.

<result>20</result>