Question

He has 2 pens. His friend gives him 2 more pens. How many pens he has?

Answer 1

He has 4 pens now.

Explanation:

2+2=4

Answer 2

4 pens.

Explanation:

Now he has 2 pens.

Then his friend gives him two more.

As a sum, that's:

2 + 2 = 4 pens.