The value of the function there is 12. And so this would be our first rectangle. You already get a sense that this is gonna be an overestimate relative to the actual area. And so the next subdivision would start here. So this would be our height of our rectangle. And once again, they don't have to be equal subdivisions. They often are, but I'm gonna show you unequal subdivisions just to show you that this is still a valid Riemann sum.