[The work is in the museum]
The page with Yandex search results has a place for a 200×300 banner. The banner is showed a certain number of times within a given period of time, whatever the user is searching for, with limited impression frequency per user and geographic targeting.
No need to type in the figures, as there are sliders
To help the advertiser come to grips with these values and connections between them, the banner description page is supplemented with a calculator to figure out how much money needs to be spent to get everyone concerned to see the ad.