Martin went to a store to buy a new television set. He decided to spend no more than $1,000 and the sales clerk offered him the TV for $100 less and an additional 20% off. How much lower was the price of the television than the amount Martin decided to spend?
The seller has offered him the TV for 1000 - 100 = $
<gadget id="calculator">1000-100</gadget>
<output>900</output>
900.
The discount on the television was 900 * 20/100 = $
<gadget id="calculator">900*20/100</gadget>
<output>180</output>
180.
The final price of the television is therefore 900 - 180 = $
<gadget id="calculator">900-180</gadget>
<output>720</output>
720.
Martin was able to save 1000 - 720 = $
<gadget id="calculator">1000-720</gadget>
<output>280</output>
280.

<result>280</result>