Suppose that Ireland has placed a tariff of 12 on its exports and 21 imports. If revenue worth (equivalent US dollars) 9148200 balance trade 7100000 w?

The given information does not provide enough data to calculate the requested variable "w." To determine the value of "w," we would need additional information such as the total value of exports and imports subject to the tariffs imposed by Ireland. Without this crucial data, it is not possible to ascertain the impact of the tariffs on the overall trade balance and revenue generated.