A store clerk is stocking the shelves. He places on the shelf a box of cereal that weighs 850 grams, a box of granola bars that weighs 385 grams, and a box of crackers that weighs 435 grams. What is the total weight in kilograms?
 16.70 kilograms
 1.670 kilograms
 167 kilograms
 1,670 kilograms