Three people invested $1200 in a joint savings account.  After Dylan's investment of 2/5 of the total amount, Frances invested 2/3 of the remaining amount.  Skyler's investment accounted for the rest. How much money was Skyler's investment?
Dylan's investment was 2/5 * $1200 = $
<gadget id="calculator">2/5*1200</gadget>
<output>480</output>
480.
Frances and Skylers' investment was $1200 - $480 = $
<gadget id="calculator">1200-480</gadget>
<output>720</output>
720.
Frances invested 2/3 * $720 = $
<gadget id="calculator">2/3*720</gadget>
<output>480</output>
480.
Dylan's and Frances's total investments were $480 + $480 = $
<gadget id="calculator">480+480</gadget>
<output>960</output>
960.
Skyler invested $1200 - $960 = $
<gadget id="calculator">1200-960</gadget>
<output>240</output>
240.

<result>240</result>