Harry participates in the auction of a classic painting. The auction starts at $300, Harry is the first to bid, adding $200 to the starting value, a second bidder doubles the bid, and a third bidder adds three times Harry's bid. Finally, Harry bids $4,000. By how much did Harry's final bid exceed that of the third bidder?
Adding Harry's $200 to the initial value, the bid is at 300 + 200 = $
<gadget id="calculator">300+200</gadget>
<output>500</output>
500.
The second bidder doubles the previous value, reaching a value of 500 * 2 = $
<gadget id="calculator">500*2</gadget>
<output>1_000</output>
1000.
The third bidder adds three times the value of Harry's, then adds 500 * 3 = $
<gadget id="calculator">3*500</gadget>
<output>1_500</output>
1500.
Adding the $1500 to the value of the second bid, the bid is at 1500 + 1000 =$
<gadget id="calculator">1500+1000</gadget>
<output>2_500</output>
2500.
With the final bid of $4000, Harry bids 4000 - 2500 = $
<gadget id="calculator">4000-2500</gadget>
<output>1_500</output>
1500 more than the third bidder.

<result>1_500</result>