A point charge of \( +12 \, \mu\text{C} \) is at a distance \( 6 \, \text{cm} \) vertically above the centre of a square of side \( 12 \, \text{cm} \) as shown in figure. The magnitude of the electric flux through the square will be ________ \( \times 10^{3} \, \text{N m}^2/\text{C} \).
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