Calculate the gravitational force between two masses using the equation:
\[
F = G\,\frac{m_1\,m_2}{r^2}
\]
where \(G \approx 6.67430 \times 10^{-11}\, \text{m}^3/(\text{kg}\cdot\text{s}^2)\).
* Enter masses in kilograms (kg) and distance in meters (m).
