function trainingLab(height, widht){

    height = Number(height) * 100;
    widht = Number (widht) * 100;

    let freeWidht = widht -100;
    let countDesksRow = Math.floor(freeWidht / 70);
    let conutDesksColumn = Math.floor(height /120);
    let totalSeets = (countDesksRow * conutDesksColumn) - 3;

    console.log(totalSeets);

}