27900g; if your weight on Earth is 34.25 kilos, we need to convert into grams to find the difference between the Earth and moon weight.
34.25kg ⇒ g
[tex]1 kg=1000g[/tex]
[tex]34.25*1000=34250[/tex]
So, you weigh 34,250 grams on Earth and 6,350 grams on the moon. By stating how many more, the question is telling you to subtract the weight on the moon from the weight on Earth.
[tex]34250-6350=27900[/tex]