Python program to calculate sales man salary

qty=int(input("Please enter qty: "))
price=float(input("Please enter price: "))
amount=qty*price;
sal=amount*0.20+1000;         # 20 % bonus and 1000 Rs fixed 
print(" Total amount =",amount);
print(" Total salary =",sal);

   Output:
   Please enter qty: 90
   Please enter price: 50
    Total amount = 4500.0
    Total salary = 1900.0