Tim's car goes down in value by $1000 a year.  He bought it for $20,000. How much is it worth after 6 years?
It went down in value 1000*6=$
<gadget id="calculator">1000*6</gadget>
<output>6_000</output>
6000.
So the car is worth 20000-6000=$
<gadget id="calculator">20000-6000</gadget>
<output>14_000</output>
14,000.

<result>14_000</result>