Operator Precedence Parsing ...

(A + B) * C

operator	operand	input	action	why
		( A + B ) * C	start
(		A + B ) * C	shift (
(	A	+ B ) * C	shift A
( +	A	B ) * C	shift +	( < +
( +	A B	) * C	shift B
	(+ A B)	* C	reduce, ()	)
*	(+ A B)	C	shift *	empty < *
*	(+ A B) C		shift C
	(* (+ A B) C)		reduce