josh {
Main [Add]=‛«Add»’
Add_noplus [Multiply]=‛«Multiply»’
Add_withplus [Multiply k* Fishstick*]=‛«Fishstick» «Multiply» +’
Multiply [Multiply k* Fishstick*]=‛«Fishstick» «Multiply» *’
primary [d+]=‛«d»’ 
}

josh {
    Main = Add
    Add = 
      | Multiply -- noplus
      | Multiply ("+" Multiply)+ -- withplus
    Multiply = primary ("*" primary)*
	primary = digit+
}