And the problem is that it is not trivial at all to calculate the right number. I think it is wrong for the government to force such a hard problem on all of their citizens, including the ones with low education.
It is so screwed up that in the past I got a letter from the IRS saying my accountant made a mistake on my stock sales and I owed several thousand dollars. My accountant made the calculations again and showed that the IRS actually owed me $60. I never heard from them after that.