Just write "three ounces in grams" in google and it will tell the answer in the first "result" line. However it's not a search result, but a less known calculator/conversor function.
About 79.2 grams. By the way, anything that weighs three ounces will be 79.2 grams.
the answer is: 85.05
35.27 oz and28.34 grams
10.75 oz = 304.8 g