Dina has 60 dolls. She has twice as many dolls as Ivy. 2/3 of Ivy's dolls are collectors editions. How many collectors edition dolls does Ivy have?
Ivy has 60/2=
<gadget id="calculator">60/2</gadget>
<output>30</output>
30 dolls.
Ivy has 30/3*2=
<gadget id="calculator">30/3*2</gadget>
<output>20</output>
20 collectors edition dolls.

<result>20</result>