mass = 1200.0
speed = 245.573
kinetic_energy = 0.5 * mass * speed**2

print(f"Kinetic energy: {kinetic_energy} J")
print(f"Kinetic energy: {kinetic_energy:.2f} J")


Kinetic energy: 36183658.9974 J
Kinetic energy: 36183659.00 J