So essentially the area under the curve between zero minutes and 60 minutes. And so it's going to be this area, let's put that in magenta, plus all of this area under this part as well. And to help us think about that, I'm just going to split that up into some sections. So I'll have this triangular section up here. So I have this triangular section. I could just think about this as a trapezoid, but I'm just going to split it up into a triangle and a rectangle. And then I have this section right over here in green.