A tubewell has a discharge of $40 \mathrm{~m}^{3} \mathrm{~h}^{-1}$ and operates daily for $20 \mathrm{~h}$ during irrigation season. The irrigation interval is 20 days and depth of irrigation is $8 \mathrm{~cm}$. The command area of tubewell in ha is__________________

A tubewell has a discharge of $40 \mathrm{~m}^{3} \mathrm{~h}^{-1}$ and operates daily for $20 \mathrm{~h}$ during irrigation season. The irrigation interval is 20 days and depth of irrigation is $8 \mathrm{~cm}$. The command area of tubewell in ha is__________________

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