To take 7kg of mercury, how many bottles do you need to use if you use a 0.2L bottle?

To take 7kg of mercury, how many bottles do you need to use if you use a 0.2L bottle?

The volume of 7000 g of mercury is 7 divided by the density of mercury (13.6) in cubic centimeter, then divided by 1000 units into liters, and then divided by 0.2
Three bottles are needed