I Hand over Antiques to the Museum

Zhou Wen obtained the [Super Leak Detection System].
At the beginning, the Cixi Night Pearl was picked up, with a market value of one billion yuan.
However, Zhou Wen handed it over to the museum.
Reporter: Mr. Zhou, the night pearl worth [-] billion yuan was only exchanged for [-] million yuan and a pennant. I wonder how you feel, Mr. Zhou?Why not keep it to yourself?
Zhou Wen: It really doesn't matter if you have money or not!Ye Mingzhu is invaluable, that's because he has the imprint of history.
System: Ding!Congratulations to the host for completing the task of submitting the Cixi Night Pearl, the market price is one billion, and the host will be rewarded ten times as much as ten billion!
Zhou Wen: So beautiful!
……