Copy the entire calculation output using the blue copy button in the top right.
Find the correct part of the config file, it's towards the bottom of the huge text blob in the middle of the file. Select the text from "SensitivityMap" to the "MouseVerticalSensitivityMultiplierAdjusted=1.000000" part and paste the calculations. Note that the copied text will have a blank space (enter) at the end, remove this so everything is on the same line.
Start the game and verify that the sensitivity settings looks like this:
That should be it!