How to calculate Man Days/Ton of production ..?

SUMIT GADE
Greetings SUMIT GADE,
i would like to find the Man Days/Ton of production .? below is example where the value 5.11 come as Man Days /Ton of production .. ?
Month Man hrs Production (MT) Man Days/Ton of production
Sep-16 14864 363.78 5.11
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