If you know that an individual (72kg) has a side job mowing lawns and they do it 10 hours a week, then how many kilo-calories are expended each week doing this activity?

Question

If you know that an individual (72kg) has a side job mowing lawns and they do it 10 hours a week, then how many kilo-calories are expended each week doing this  activity?

[(METSx3.5xbody-weight inkg)/200=kcal/min