The government gives the bottom 20% of people a $2000 stimulus.  They have found that this kind of stimulus returns 5 times as much money to the government, in terms of tax revenue, as it cost.  The city has 1000 people in it.  What was the government profit from this project?
They gave money to 1000*.2=
<gadget id="calculator">1000*.2</gadget>
<output>200</output>
200 people.
It cost 200*2000=$
<gadget id="calculator">200*2000</gadget>
<output>400_000</output>
400,000.
There was a 5 to 1 return so the government collected 5*400000=$
<gadget id="calculator">5*400000</gadget>
<output>2_000_000</output>
2,000,000.
That means the profit was 2,000,000-400,000=$
<gadget id="calculator">2000000-400000</gadget>
<output>1_600_000</output>
1,600,000.

<result>1_600_000</result>