完全搞错了

https://www.thetimes.com/us/business/article/brent-neiman-tariffs-math-equation-8fwswr2hb

https://www.dailymail.co.uk/yourmoney/article-14582097/Economist-Brett-Neiman-miscalculation-Trump-tariffs.html

An economist has claimed the White House used his work in calculating the tariffs, but made a basic mathematical error which caused trade officials to grossly overestimate how much each country “owed” the US.