Show subtracted value of an object in a text box ?Translate

I have an object called " Enemy " with variable " Hp = 100 " and another called " Bullet " with variable "Damage = 40 ". When " Bala " comes into collision with " Enemy " subtract - ( bullet.Damage*random (1.5,2) of Enemy HP. How to visualize the damage of this event in a text box ?

\Google Translate/

[pt-br]

Acho que você fala português;

[en]

I think you speak portuguese;

https://www.dropbox.com/s/wb7q3i41h4i2i3x/simple.capx?dl=0
[/code:q28qvel1]

Yes even speak Portuguese , and thank you for .capx is exactly the way I want.