Training Lab

double length = double.Parse(Console.ReadLine());
double width = double.Parse(Console.ReadLine());
double workplace = 70;
double workplace2 = 120;
double corridor = 100;
double numWidth = width * 100 - corridor;
double numLength = length * 100;
double sumWidth = numWidth / workplace;
double sumLength = numLength / workplace2;
double result = sumWidth * sumLength - 3;
Console.WriteLine(result);