A solid metallic cube having total surface are \( 24 \, \text{m}^2 \) is uniformly heated. If its temperature is increased by \( 10^\circ \text{C} \), calculate the increase in volume of the cube. (Given \( \alpha = 5.0 \times 10^{-4} \, ^\circ\text{C}^{-1} \).)