So that's literally how far away we are, but we want that in terms of standard deviations. So we divide that by the length, or the magnitude, of our standard deviation. So 65 minus 81. Let's see, 81 minus 65 is what? It is 5 plus 11, it's 16. So this is going to be minus 16 over 6.3. And take our calculator out, and let's see, if we have minus 16 divided by 6.3, you get minus 2.54.