Calculate Simple Interest in Python

Enter P: 10000
Enter R: 6
Enter T: 2
Interest: 1200.0
Amount:   11200.0

def main():
	p = int(input("Enter P: "))  # Principal
	r = float(input("Enter R: "))  # Rate of interest
	t = int(input("Enter T: "))  # Time in years

	i = p * r * t / 100  # Simple interest
	a = p + i  # Total amount

	print("Interest:", i)
	print("Amount:  ", a)


if __name__ == "__main__":
	main()