How many ontients are there?

It's 7 continents and 5 oceans.

Not 5 continents.

7 continents:

South America
North America
Europe
Asia
Africa
Australasia (Oceania)
Antarctica

5 Oceans:

Arctic
Indian
Southern
Pacific
Atlantic

I think you are asking How many contients are there?

There are 5 continents in the world