Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.3.0.rc.1)
// Compass (v0.13.alpha.10)
// ----

@mixin sameHeight($multiplier){
    height: 367px + 21px * $multiplier;
}

$amp: null;

.page{
  $amp: #{&};
  /* .page style */
}
/* now with different levels of specificity: */
.inner{
  /* just .inner style */
  #{$amp} & {
    /* .page .inner style */
  }
  @for $i from 1 through 3{
    #{$amp} .compare-#{$i} & { @include sameHeight($i); };
  }
}

SassMeister-output.css

.page {
  /* .page style */
}

/* now with different levels of specificity: */
.inner {
  /* just .inner style */
}
.page .inner {
  /* .page .inner style */
}
.page .compare-1 .inner {
  height: 388px;
}
.page .compare-2 .inner {
  height: 409px;
}
.page .compare-3 .inner {
  height: 430px;
}