Sum up

We summed up the donations and found that we had just enough to pay the bills.

So, to sum up your argument, what you are saying is that it is impossible.

To sum up, the Furka-Oberalp Railway is a good example of the adaptation of the rack-and-pinion system to a main line over mountainous terrain.

Best came close to getting on the end of Barton's cross but he was inches away from connecting. It was an incident that summed up Newcastle's afternoon.