How to Calculate also Decimals with in this Code in CSharp

Question

hi Developers

How enter Multiple values in a single Textbox and how to Split it and How to Calculate it on both Running time and C#.

i have a Textbox named txtDetails i should enter Many values or More than one value .

i want to Split it by + or - or * and perform the calculation.

if i entered values like this 10+20-10*2/5 the result will be =8.(like a simple calculator)

i can give Decimals too.

else

if i entered values like this 20 the result will be =20. thats all

this is my requirement still i have been trying with google. if anyone of know how to do this please guide me to i am done this task quickly.

thanking you

Paul.S

Prayer throw, Impossible becomes Possible.