Method 1:
Put a label in the text box and change it to% mark, which is the easiest!
Method 2:
Don't hit the percent sign, just do it.
Create a new textbox 1.
Label 1 is used to display the answer.
A button
Just put the following code in the button.
Dim b and c are decimal.
Mark x and y as strings.
Mark l as an integer
x = TextBox 1。 text
L = X. Length-1
y = x.Substring(0,L)
c = CDec(y) / CDec( 100)
b = c * CDec(2.6)
Label 1。 Text = b.ToString()