be, the GDP of Russia is equivalent to the one of just Italy. The manufacturing capacity of Europe is and order of magnitude above the RF. There is no scenario whatsoever in which the RF gains any short of control over Europe, even if the US decided to do nothing.
GPD percentages are effectively what you need to pay for a war. Europe has no shortage of manufacturing capacity, several times in excess of anything the RF may dream of. If you are arguing that the RF could win a war of attrition, you are severely mistaken. These are hard data and facts.
Apart from data, your assertions collide with reality. The RF advance was slowed, stopped and then turned back because the RF does not have the logistics to carry on with the war.
Your information is out of date.
According to recent data, in terms of GDP, Russia rose from 11th to 9th place in the world over the year, overtaking Italy. But data on Ukraine is difficult to find, according to various estimates, its GDP fell from 30 to 37% over the year, and in terms of GDP, Ukraine now neighbors Ethiopia and Sri Lanka.