ok so i have a can of green peas. It says 1/2 cup (124 grams) is 1 serving. 3.5 servings for whole can. I weighed the peas and the whole can weighs 250 grams. But considering the fact that 3.5 servings are in a can shouldn't it equal: 3.5 x 124 = 434???? The whole can only weighs 250 grams though... IM CONFUSED????