When you go out to eat, you always tip 20% of the bill amount. How do I make this code??

Question

Something like this. It is a tip calculator
https://code.sololearn.com/cuy1DG4BZet8/?ref=app

Answer 1

20% is equivalent to 0.2

For example if a number is multiplied by 0.2, you are also solving for its 20%.

Answer 2

what is the problem you are encountering? please post your most recent code using the code playground.