Here is an example of a formula with many group operations: &quot; size 12 colour red font sans size -5 (a + size 8 b) &quot; like &quot; {size 12{colour red{font sans{size -5 (a + {size 8 b})}}}} &quot; .
Ejemplo de una fórmula con muchas operaciones de grupo: &quot; size 12 color red font sans size -5 (a + size 8 b) &quot; como &quot; {size 12{color red{font sans{size -5 (a + {size 8 b})}}}} &quot; .