How to write a slash in the css properties in less so that division does not occur?

Question

Less

Hello!
The essence of the problem.
We write grid-column: 2 / 3;
after compilation gives grid-column: 0.666
We have to write a long version of grid-column-start: 2; grid-column-end: 3;
How to deal with it?

Answer 1

Like this
grid-column: ~"2 / 3";