So that's 21% of the total. And then this would be 79% if we just subtract 1 minus 21. We could divide 300 by 380. We should get 79% as well. So one would expect that 21% of each of your total, based on the total sample right over here, our best guess is that 21% should be getting sick and 79% should not be getting sick. So let's look at it for each of these groups. If we assume that 21% of these 120 people should have gotten sick, what would have been the expected value right over here?