Noemi lost $400 on roulette and $500 on blackjack. How much money did Noemi begin with if she still had $800 in her purse?
The total amount of money that she lost is $400+$500 = $
<gadget id="calculator">400+500</gadget>
<output>900</output>
900.
If she remained with $900, she initially had $900+$800 = $
<gadget id="calculator">900+800</gadget>
<output>1_700</output>
1700.

<result>1_700</result>