Help me in solving UX31 problem

My issue

Can someone explain this line-height property in percentage

Learning course: UX for Web developers
Problem Link: CodeChef: Practical coding for everyone

@sumit8692

When you define line-height to 150% you don’t multiply it by 1 , you multiply it by 1.5 .

Unitless line-height refers to the font-size of the element.

If your element has set font-size: 16px, do the simple math:

1.5 * 16px = 24px