Russia has not been winning on the ground. It's two and a half years into the war and Russia is still stuck contesting edge territories. Russia has overwhelming

Russia has not been winning on the ground. It's two and a half years into the war and Russia is still stuck contesting edge territories. Russia has overwhelmingly larger numbers, but with as high as 7:1 casualties to Ukraine and with a significant increase in casualties over the last eight months. The frontline is stabilized and the ruble is collapsing. What exactly is being won here?