[fix] better solution for handling empty result (#1796)

Xingchen Song(宋星辰)

2024-06-11 0bd1a4d6a9893e45438505514a063d9deee91f21

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@use 'sass:math';
 
@function p($px) {
    @return #{math.div($px, 19.2) + 'rem'};
}