12g * 78mg
936 grams
1 gram=1,000 milligrams
78/1,000=.078 grams, so we have:
12 X .078=.936 grams
If m ang are pronumerals then the answer is 12*78mg^2 = 936mg^2
If g stands for grams and mg stands for miligrams, the question makes no sense :/
