Janet works at a jewelry store weighing different stones and gems to be placed into earrings, bracelets, and rings. Janet has a large stone that
she is breaking down into smaller sized stones that she will fit into a
pendant for a necklace. The large stone weighs 2 kilograms. If Janet
cuts off one piece of the stone weighing 450 grams, another stone
weighing 500 grams, and a third stone weighing 50 grams, how many
milligrams does the original stone now weigh?

A. 1,000 milligrams
B. 100,000 milligrams
C. 10,000 millgrams
D. 1 milligram