$x: 3/4;
$xs: hey 3/4 ho;

div {
  /* $x: 3/4 */
  a: $x;
  b: hey $x ho;
  /* $xs: hey 3/4 ho */
  c: $xs;
  d: nth($xs, 2);
  e: nth($xs, 2) == 0.75;
  f: type-of(nth($xs, 2));
}